51123473463 has 32 divisors (see below), whose sum is σ = 70532985600. Its totient is φ = 32912718336.

The previous prime is 51123473459. The next prime is 51123473473. The reversal of 51123473463 is 36437432115.

It is not a de Polignac number, because 51123473463 - 2² = 51123473459 is a prime.

It is a super-2 number, since 2×51123473463² (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 (51123473473) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11780148 + ... + 11784486.

It is an arithmetic number, because the mean of its divisors is an integer number (2204155800).

Almost surely, 2^51123473463 is an apocalyptic number.

51123473463 is a deficient number, since it is larger than the sum of its proper divisors (19409512137).

51123473463 is a wasteful number, since it uses less digits than its factorization.

51123473463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5151.

The product of its digits is 181440, while the sum is 39.

The spelling of 51123473463 in words is "fifty-one billion, one hundred twenty-three million, four hundred seventy-three thousand, four hundred sixty-three".