431671197954 has 32 divisors (see below), whose sum is σ = 871730771904. Its totient is φ = 142498621440.

The previous prime is 431671197949. The next prime is 431671197973. The reversal of 431671197954 is 459791176134.

It is a happy number.

It is a super-2 number, since 2×431671197954² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 431671197894 and 431671197903.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 510559 + ... + 1060194.

It is an arithmetic number, because the mean of its divisors is an integer number (27241586622).

Almost surely, 2^431671197954 is an apocalyptic number.

431671197954 is an abundant number, since it is smaller than the sum of its proper divisors (440059573950).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

431671197954 is a wasteful number, since it uses less digits than its factorization.

431671197954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1571202.

The product of its digits is 5715360, while the sum is 57.

The spelling of 431671197954 in words is "four hundred thirty-one billion, six hundred seventy-one million, one hundred ninety-seven thousand, nine hundred fifty-four".