431621625613 has 8 divisors (see below), whose sum is σ = 457018492032. Its totient is φ = 406225576896.

The previous prime is 431621625601. The next prime is 431621625637. The reversal of 431621625613 is 316526126134.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 431621625613 - 2⁹ = 431621625101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431621625013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1132006 + ... + 1464472.

It is an arithmetic number, because the mean of its divisors is an integer number (57127311504).

Almost surely, 2^431621625613 is an apocalyptic number.

It is an amenable number.

431621625613 is a deficient number, since it is larger than the sum of its proper divisors (25396866419).

431621625613 is a wasteful number, since it uses less digits than its factorization.

431621625613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408851.

The product of its digits is 155520, while the sum is 40.

The spelling of 431621625613 in words is "four hundred thirty-one billion, six hundred twenty-one million, six hundred twenty-five thousand, six hundred thirteen".