51193243810 has 16 divisors (see below), whose sum is σ = 93258055296. Its totient is φ = 20230582768.

The previous prime is 51193243793. The next prime is 51193243831. The reversal of 51193243810 is 1834239115.

It is a super-2 number, since 2×51193243810² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51193243810.

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, 30838474 + ... + 30840133.

It is an arithmetic number, because the mean of its divisors is an integer number (5828628456).

Almost surely, 2^51193243810 is an apocalyptic number.

51193243810 is a deficient number, since it is larger than the sum of its proper divisors (42064811486).

51193243810 is a wasteful number, since it uses less digits than its factorization.

51193243810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61678697.

The product of its (nonzero) digits is 25920, while the sum is 37.

The spelling of 51193243810 in words is "fifty-one billion, one hundred ninety-three million, two hundred forty-three thousand, eight hundred ten".