648894845934 has 32 divisors (see below), whose sum is σ = 1451666340000. Its totient is φ = 214846612992.

The previous prime is 648894845927. The next prime is 648894845941. The reversal of 648894845934 is 439548498846.

648894845934 is a `hidden beast` number, since 6 + 4 + 88 + 94 + 8 + 459 + 3 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (648894845927) and next prime (648894845941).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40316019 + ... + 40332110.

It is an arithmetic number, because the mean of its divisors is an integer number (45364573125).

Almost surely, 2^648894845934 is an apocalyptic number.

648894845934 is an abundant number, since it is smaller than the sum of its proper divisors (802771494066).

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

648894845934 is a wasteful number, since it uses less digits than its factorization.

648894845934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80648289 (or 80648283 counting only the distinct ones).

The product of its digits is 955514880, while the sum is 72.

The spelling of 648894845934 in words is "six hundred forty-eight billion, eight hundred ninety-four million, eight hundred forty-five thousand, nine hundred thirty-four".