648458687265 has 32 divisors (see below), whose sum is σ = 1051868353536. Its totient is φ = 341098879680.

The previous prime is 648458687257. The next prime is 648458687273. The reversal of 648458687265 is 562786854846.

648458687265 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (648458687257) and next prime (648458687273).

It is not a de Polignac number, because 648458687265 - 2³ = 648458687257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 648458687265.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 691989 + ... + 1332578.

It is an arithmetic number, because the mean of its divisors is an integer number (32870886048).

Almost surely, 2^648458687265 is an apocalyptic number.

It is an amenable number.

648458687265 is a deficient number, since it is larger than the sum of its proper divisors (403409666271).

648458687265 is a wasteful number, since it uses less digits than its factorization.

648458687265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2024869.

The product of its digits is 619315200, while the sum is 69.

The spelling of 648458687265 in words is "six hundred forty-eight billion, four hundred fifty-eight million, six hundred eighty-seven thousand, two hundred sixty-five".