51725356634 has 8 divisors (see below), whose sum is σ = 88672039968. Its totient is φ = 22168009980.

The previous prime is 51725356619. The next prime is 51725356691. The reversal of 51725356634 is 43665352715.

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1847334152 + ... + 1847334179.

It is an arithmetic number, because the mean of its divisors is an integer number (11084004996).

Almost surely, 2^51725356634 is an apocalyptic number.

51725356634 is a deficient number, since it is larger than the sum of its proper divisors (36946683334).

51725356634 is a wasteful number, since it uses less digits than its factorization.

51725356634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3694668340.

The product of its digits is 2268000, while the sum is 47.

The spelling of 51725356634 in words is "fifty-one billion, seven hundred twenty-five million, three hundred fifty-six thousand, six hundred thirty-four".