51102326746 has 4 divisors (see below), whose sum is σ = 76653490122. Its totient is φ = 25551163372.

The previous prime is 51102326701. The next prime is 51102326747. The reversal of 51102326746 is 64762320115.

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., 31344932025 + 19757394721 = 177045^2 + 140561^2 .

It is a super-2 number, since 2×51102326746² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51102326747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12775581685 + ... + 12775581688.

Almost surely, 2^51102326746 is an apocalyptic number.

51102326746 is a deficient number, since it is larger than the sum of its proper divisors (25551163376).

51102326746 is a wasteful number, since it uses less digits than its factorization.

51102326746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25551163375.

The product of its (nonzero) digits is 60480, while the sum is 37.

The spelling of 51102326746 in words is "fifty-one billion, one hundred two million, three hundred twenty-six thousand, seven hundred forty-six".