431163256561653 has 64 divisors (see below), whose sum is σ = 722404025303040. Its totient is φ = 222210672062400.

The previous prime is 431163256561649. The next prime is 431163256561721. The reversal of 431163256561653 is 356165652361134.

It is not a de Polignac number, because 431163256561653 - 2² = 431163256561649 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 431163256561593 and 431163256561602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431163256561633) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1076203588 + ... + 1076604146.

It is an arithmetic number, because the mean of its divisors is an integer number (11287562895360).

Almost surely, 2^{431163256561653} is an apocalyptic number.

It is an amenable number.

431163256561653 is a deficient number, since it is larger than the sum of its proper divisors (291240768741387).

431163256561653 is a wasteful number, since it uses less digits than its factorization.

431163256561653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437398.

The product of its digits is 34992000, while the sum is 57.

The spelling of 431163256561653 in words is "four hundred thirty-one trillion, one hundred sixty-three billion, two hundred fifty-six million, five hundred sixty-one thousand, six hundred fifty-three".