51913318410 has 48 divisors (see below), whose sum is σ = 134988781824. Its totient is φ = 13842099936.

The previous prime is 51913318409. The next prime is 51913318411. The reversal of 51913318410 is 1481331915.

It is a happy number.

51913318410 is a `hidden beast` number, since 519 + 133 + 1 + 8 + 4 + 1 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (51913318409) and next prime (51913318411).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51913318411) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1043359 + ... + 1091981.

It is an arithmetic number, because the mean of its divisors is an integer number (2812266288).

Almost surely, 2^51913318410 is an apocalyptic number.

51913318410 is an abundant number, since it is smaller than the sum of its proper divisors (83075463414).

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

51913318410 is a wasteful number, since it uses less digits than its factorization.

51913318410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60499 (or 60496 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The spelling of 51913318410 in words is "fifty-one billion, nine hundred thirteen million, three hundred eighteen thousand, four hundred ten".