350723031702421 has 16 divisors (see below), whose sum is σ = 408369553925760. Its totient is φ = 294985841071680.

The previous prime is 350723031702389. The next prime is 350723031702479. The reversal of 350723031702421 is 124207130327053.

It is a cyclic number.

It is not a de Polignac number, because 350723031702421 - 2⁵ = 350723031702389 is a prime.

It is a super-2 number, since 2×350723031702421² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (350723031102421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 979970746 + ... + 980328571.

It is an arithmetic number, because the mean of its divisors is an integer number (25523097120360).

Almost surely, 2^{350723031702421} is an apocalyptic number.

It is an amenable number.

350723031702421 is a deficient number, since it is larger than the sum of its proper divisors (57646522223339).

350723031702421 is a wasteful number, since it uses less digits than its factorization.

350723031702421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1960299804.

The product of its (nonzero) digits is 211680, while the sum is 40.

The spelling of 350723031702421 in words is "three hundred fifty trillion, seven hundred twenty-three billion, thirty-one million, seven hundred two thousand, four hundred twenty-one".