513750364974 has 144 divisors (see below), whose sum is σ = 1417125580416. Its totient is φ = 133011799200.

The previous prime is 513750364969. The next prime is 513750364999. The reversal of 513750364974 is 479463057315.

513750364974 is a `hidden beast` number, since 5 + 1 + 3 + 7 + 503 + 64 + 9 + 74 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 513750364974.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2932189 + ... + 3102455.

It is an arithmetic number, because the mean of its divisors is an integer number (9841149864).

Almost surely, 2^513750364974 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 513750364974, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (708562790208).

513750364974 is an abundant number, since it is smaller than the sum of its proper divisors (903375215442).

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

513750364974 is a wasteful number, since it uses less digits than its factorization.

513750364974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170611 (or 170601 counting only the distinct ones).

The product of its (nonzero) digits is 9525600, while the sum is 54.

The spelling of 513750364974 in words is "five hundred thirteen billion, seven hundred fifty million, three hundred sixty-four thousand, nine hundred seventy-four".