51701685034 has 4 divisors (see below), whose sum is σ = 77552527554. Its totient is φ = 25850842516.

The previous prime is 51701684999. The next prime is 51701685097. The reversal of 51701685034 is 43058610715.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 26815045009 + 24886640025 = 163753^2 + 157755^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12925421257 + ... + 12925421260.

Almost surely, 2^51701685034 is an apocalyptic number.

51701685034 is a deficient number, since it is larger than the sum of its proper divisors (25850842520).

51701685034 is a wasteful number, since it uses less digits than its factorization.

51701685034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25850842519.

The product of its (nonzero) digits is 100800, while the sum is 40.

The spelling of 51701685034 in words is "fifty-one billion, seven hundred one million, six hundred eighty-five thousand, thirty-four".