648076431 has 12 divisors (see below), whose sum is σ = 917922632. Its totient is φ = 406635648.

The previous prime is 648076411. The next prime is 648076433. The reversal of 648076431 is 134670846.

648076431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 648076431 - 2¹⁸ = 647814287 is a prime.

It is a super-2 number, since 2×648076431² = 840006120835395522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 648076431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (648076433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 372880 + ... + 374613.

Almost surely, 2^648076431 is an apocalyptic number.

648076431 is a deficient number, since it is larger than the sum of its proper divisors (269846201).

648076431 is a wasteful number, since it uses less digits than its factorization.

648076431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747530 (or 747513 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 648076431 is about 25457.3453250727. The cubic root of 648076431 is about 865.3837632472.

The spelling of 648076431 in words is "six hundred forty-eight million, seventy-six thousand, four hundred thirty-one".