51492670486 has 8 divisors (see below), whose sum is σ = 77240301480. Its totient is φ = 25745903328.

The previous prime is 51492670447. The next prime is 51492670487. The reversal of 51492670486 is 68407629415.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×51492670486² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51492670487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37411 + ... + 323086.

It is an arithmetic number, because the mean of its divisors is an integer number (9655037685).

Almost surely, 2^51492670486 is an apocalyptic number.

51492670486 is a deficient number, since it is larger than the sum of its proper divisors (25747630994).

51492670486 is a wasteful number, since it uses less digits than its factorization.

51492670486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431918.

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 51492670486 in words is "fifty-one billion, four hundred ninety-two million, six hundred seventy thousand, four hundred eighty-six".