431972352069 has 48 divisors (see below), whose sum is σ = 645138838080. Its totient is φ = 256337326080.

The previous prime is 431972352047. The next prime is 431972352089. The reversal of 431972352069 is 960253279134.

It is not a de Polignac number, because 431972352069 - 2⁸ = 431972351813 is a prime.

It is a super-2 number, since 2×431972352069² (a number of 24 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431972352089) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9746379 + ... + 9790599.

It is an arithmetic number, because the mean of its divisors is an integer number (13440392460).

Almost surely, 2^431972352069 is an apocalyptic number.

It is an amenable number.

431972352069 is a deficient number, since it is larger than the sum of its proper divisors (213166486011).

431972352069 is a wasteful number, since it uses less digits than its factorization.

431972352069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44870 (or 44853 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 51.

The spelling of 431972352069 in words is "four hundred thirty-one billion, nine hundred seventy-two million, three hundred fifty-two thousand, sixty-nine".