648458687262 has 16 divisors (see below), whose sum is σ = 1324511361792. Its totient is φ = 211553897880.

The previous prime is 648458687257. The next prime is 648458687273. The reversal of 648458687262 is 262786854846.

It is a junction number, because it is equal to n+sod(n) for n = 648458687193 and 648458687202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1149749164 + ... + 1149749727.

It is an arithmetic number, because the mean of its divisors is an integer number (82781960112).

Almost surely, 2^648458687262 is an apocalyptic number.

648458687262 is an abundant number, since it is smaller than the sum of its proper divisors (676052674530).

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

648458687262 is a wasteful number, since it uses less digits than its factorization.

648458687262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2299498943.

The product of its digits is 247726080, while the sum is 66.

The spelling of 648458687262 in words is "six hundred forty-eight billion, four hundred fifty-eight million, six hundred eighty-seven thousand, two hundred sixty-two".