51267796702 has 4 divisors (see below), whose sum is σ = 76901695056. Its totient is φ = 25633898350.

The previous prime is 51267796687. The next prime is 51267796703. The reversal of 51267796702 is 20769776215.

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

It is a self number, because there is not a number n which added to its sum of digits gives 51267796702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51267796703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12816949174 + ... + 12816949177.

It is an arithmetic number, because the mean of its divisors is an integer number (19225423764).

Almost surely, 2^51267796702 is an apocalyptic number.

51267796702 is a deficient number, since it is larger than the sum of its proper divisors (25633898354).

51267796702 is a wasteful number, since it uses less digits than its factorization.

51267796702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25633898353.

The product of its (nonzero) digits is 2222640, while the sum is 52.

The spelling of 51267796702 in words is "fifty-one billion, two hundred sixty-seven million, seven hundred ninety-six thousand, seven hundred two".