51468465679 has 8 divisors (see below), whose sum is σ = 52450261520. Its totient is φ = 50491123200.

The previous prime is 51468465661. The next prime is 51468465689. The reversal of 51468465679 is 97656486415.

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

It is a cyclic number.

It is not a de Polignac number, because 51468465679 - 2¹³ = 51468457487 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (61).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51468465619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1090002 + ... + 1136239.

It is an arithmetic number, because the mean of its divisors is an integer number (6556282690).

Almost surely, 2^51468465679 is an apocalyptic number.

51468465679 is a deficient number, since it is larger than the sum of its proper divisors (981795841).

51468465679 is a wasteful number, since it uses less digits than its factorization.

51468465679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2226681.

The product of its digits is 43545600, while the sum is 61.

The spelling of 51468465679 in words is "fifty-one billion, four hundred sixty-eight million, four hundred sixty-five thousand, six hundred seventy-nine".