506390954644 has 12 divisors (see below), whose sum is σ = 924713917344. Its totient is φ = 242186978264.

The previous prime is 506390954611. The next prime is 506390954651. The reversal of 506390954644 is 446459093605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2752124662 + ... + 2752124845.

It is an arithmetic number, because the mean of its divisors is an integer number (77059493112).

Almost surely, 2^506390954644 is an apocalyptic number.

It is an amenable number.

506390954644 is a deficient number, since it is larger than the sum of its proper divisors (418322962700).

506390954644 is a wasteful number, since it uses less digits than its factorization.

506390954644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5504249534 (or 5504249532 counting only the distinct ones).

The product of its (nonzero) digits is 13996800, while the sum is 55.

The spelling of 506390954644 in words is "five hundred six billion, three hundred ninety million, nine hundred fifty-four thousand, six hundred forty-four".