505949925684 has 24 divisors (see below), whose sum is σ = 1349199802048. Its totient is φ = 144557121600.

The previous prime is 505949925653. The next prime is 505949925709. The reversal of 505949925684 is 486529949505.

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, 3011606617 + ... + 3011606784.

Almost surely, 2^505949925684 is an apocalyptic number.

It is an amenable number.

505949925684 is an abundant number, since it is smaller than the sum of its proper divisors (843249876364).

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

505949925684 is a wasteful number, since it uses less digits than its factorization.

505949925684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6023213415 (or 6023213413 counting only the distinct ones).

The product of its (nonzero) digits is 139968000, while the sum is 66.

The spelling of 505949925684 in words is "five hundred five billion, nine hundred forty-nine million, nine hundred twenty-five thousand, six hundred eighty-four".