431606074021 has 16 divisors (see below), whose sum is σ = 457521264640. Its totient is φ = 406013050800.

The previous prime is 431606073953. The next prime is 431606074051. The reversal of 431606074021 is 120470606134.

It is a cyclic number.

It is not a de Polignac number, because 431606074021 - 2¹⁷ = 431605942949 is a prime.

It is a super-2 number, since 2×431606074021² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431606074051) 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, 7151056 + ... + 7211158.

It is an arithmetic number, because the mean of its divisors is an integer number (28595079040).

Almost surely, 2^431606074021 is an apocalyptic number.

It is an amenable number.

431606074021 is a deficient number, since it is larger than the sum of its proper divisors (25915190619).

431606074021 is a wasteful number, since it uses less digits than its factorization.

431606074021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62776.

The product of its (nonzero) digits is 24192, while the sum is 34.

The spelling of 431606074021 in words is "four hundred thirty-one billion, six hundred six million, seventy-four thousand, twenty-one".