501880974948 has 18 divisors (see below), whose sum is σ = 1268643575654. Its totient is φ = 167293658304.

The previous prime is 501880974943. The next prime is 501880974967. The reversal of 501880974948 is 849479088105.

501880974948 is a `hidden beast` number, since 50 + 1 + 8 + 8 + 0 + 97 + 494 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 499464465984 + 2416508964 = 706728^2 + 49158^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (501880974943) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6970569061 + ... + 6970569132.

Almost surely, 2^501880974948 is an apocalyptic number.

It is an amenable number.

501880974948 is an abundant number, since it is smaller than the sum of its proper divisors (766762600706).

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

501880974948 is a wasteful number, since it uses less digits than its factorization.

501880974948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13941138203 (or 13941138198 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 63.

The spelling of 501880974948 in words is "five hundred one billion, eight hundred eighty million, nine hundred seventy-four thousand, nine hundred forty-eight".