146863729069 has 4 divisors (see below), whose sum is σ = 154593399040. Its totient is φ = 139134059100.

The previous prime is 146863729043. The next prime is 146863729153. The reversal of 146863729069 is 960927368641.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 960927368641 = 251 ⋅3828395891.

It is a cyclic number.

It is not a de Polignac number, because 146863729069 - 2²³ = 146855340461 is a prime.

It is a super-2 number, since 2×146863729069² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 146863728998 and 146863729016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146863729169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3864834957 + ... + 3864834994.

It is an arithmetic number, because the mean of its divisors is an integer number (38648349760).

Almost surely, 2^146863729069 is an apocalyptic number.

146863729069 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

146863729069 is a deficient number, since it is larger than the sum of its proper divisors (7729669971).

146863729069 is an equidigital number, since it uses as much as digits as its factorization.

146863729069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7729669970.

The product of its (nonzero) digits is 23514624, while the sum is 61.

The spelling of 146863729069 in words is "one hundred forty-six billion, eight hundred sixty-three million, seven hundred twenty-nine thousand, sixty-nine".