153393478061 has 4 divisors (see below), whose sum is σ = 153893131392. Its totient is φ = 152893824732.

The previous prime is 153393478037. The next prime is 153393478093. The reversal of 153393478061 is 160874393351.

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 a de Polignac number, because none of the positive numbers 2^k-153393478061 is a prime.

It is a super-2 number, since 2×153393478061² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153393478561) 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, 249826205 + ... + 249826818.

It is an arithmetic number, because the mean of its divisors is an integer number (38473282848).

Almost surely, 2^153393478061 is an apocalyptic number.

It is an amenable number.

153393478061 is a deficient number, since it is larger than the sum of its proper divisors (499653331).

153393478061 is an equidigital number, since it uses as much as digits as its factorization.

153393478061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499653330.

The product of its (nonzero) digits is 1632960, while the sum is 50.

The spelling of 153393478061 in words is "one hundred fifty-three billion, three hundred ninety-three million, four hundred seventy-eight thousand, sixty-one".