51436476004 has 6 divisors (see below), whose sum is σ = 90013833014. Its totient is φ = 25718238000.

The previous prime is 51436475977. The next prime is 51436476043. The reversal of 51436476004 is 40067463415.

It can be written as a sum of positive squares in only one way, i.e., 41372373604 + 10064102400 = 203402^2 + 100320^2 .

It is a super-2 number, since 2×51436476004² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6429559497 + ... + 6429559504.

Almost surely, 2^51436476004 is an apocalyptic number.

It is an amenable number.

51436476004 is a deficient number, since it is larger than the sum of its proper divisors (38577357010).

51436476004 is a wasteful number, since it uses less digits than its factorization.

51436476004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12859119005 (or 12859119003 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 40.

The spelling of 51436476004 in words is "fifty-one billion, four hundred thirty-six million, four hundred seventy-six thousand, four".