146869968641 has 4 divisors (see below), whose sum is σ = 160221783984. Its totient is φ = 133518153300.

The previous prime is 146869968617. The next prime is 146869968683.

146869968641 is nontrivially palindromic in base 10.

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.

It is a cyclic number.

It is not a de Polignac number, because 146869968641 - 2⁶ = 146869968577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146869968601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6675907655 + ... + 6675907676.

It is an arithmetic number, because the mean of its divisors is an integer number (40055445996).

Almost surely, 2^146869968641 is an apocalyptic number.

146869968641 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

146869968641 is a deficient number, since it is larger than the sum of its proper divisors (13351815343).

146869968641 is a wasteful number, since it uses less digits than its factorization.

146869968641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13351815342.

The product of its digits is 107495424, while the sum is 68.

The spelling of 146869968641 in words is "one hundred forty-six billion, eight hundred sixty-nine million, nine hundred sixty-eight thousand, six hundred forty-one".