513723465575650 has 48 divisors (see below), whose sum is σ = 1042393797169920. Its totient is φ = 186808141649600.

The previous prime is 513723465575633. The next prime is 513723465575687. The reversal of 513723465575650 is 56575564327315.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 454283631 + ... + 455413069.

It is an arithmetic number, because the mean of its divisors is an integer number (21716537441040).

Almost surely, 2^{513723465575650} is an apocalyptic number.

513723465575650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

513723465575650 is an abundant number, since it is smaller than the sum of its proper divisors (528670331594270).

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

513723465575650 is a wasteful number, since it uses less digits than its factorization.

513723465575650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1956459 (or 1956454 counting only the distinct ones).

The product of its (nonzero) digits is 396900000, while the sum is 64.

The spelling of 513723465575650 in words is "five hundred thirteen trillion, seven hundred twenty-three billion, four hundred sixty-five million, five hundred seventy-five thousand, six hundred fifty".