51401708063 has 8 divisors (see below), whose sum is σ = 51612303600. Its totient is φ = 51191515648.

The previous prime is 51401707993. The next prime is 51401708087. The reversal of 51401708063 is 36080710415.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51401708063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51401708363) 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, 156095 + ... + 356607.

It is an arithmetic number, because the mean of its divisors is an integer number (6451537950).

Almost surely, 2^51401708063 is an apocalyptic number.

51401708063 is a deficient number, since it is larger than the sum of its proper divisors (210595537).

51401708063 is a wasteful number, since it uses less digits than its factorization.

51401708063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201561.

The product of its (nonzero) digits is 20160, while the sum is 35.

The spelling of 51401708063 in words is "fifty-one billion, four hundred one million, seven hundred eight thousand, sixty-three".