51838737190 has 16 divisors (see below), whose sum is σ = 93423119328. Its totient is φ = 20710296576.

The previous prime is 51838737179. The next prime is 51838737241. The reversal of 51838737190 is 9173783815.

It is a super-2 number, since 2×51838737190² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 3141147 + ... + 3157606.

It is an arithmetic number, because the mean of its divisors is an integer number (5838944958).

Almost surely, 2^51838737190 is an apocalyptic number.

51838737190 is a deficient number, since it is larger than the sum of its proper divisors (41584382138).

51838737190 is a wasteful number, since it uses less digits than its factorization.

51838737190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6299583.

The product of its (nonzero) digits is 1270080, while the sum is 52.

The spelling of 51838737190 in words is "fifty-one billion, eight hundred thirty-eight million, seven hundred thirty-seven thousand, one hundred ninety".