51004262746 has 4 divisors (see below), whose sum is σ = 76506394122. Its totient is φ = 25502131372.

The previous prime is 51004262737. The next prime is 51004262747. The reversal of 51004262746 is 64726240015.

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., 42273416025 + 8730846721 = 205605^2 + 93439^2 .

It is not an unprimeable number, because it can be changed into a prime (51004262747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12751065685 + ... + 12751065688.

Almost surely, 2^51004262746 is an apocalyptic number.

51004262746 is a deficient number, since it is larger than the sum of its proper divisors (25502131376).

51004262746 is a wasteful number, since it uses less digits than its factorization.

51004262746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25502131375.

The product of its (nonzero) digits is 80640, while the sum is 37.

The spelling of 51004262746 in words is "fifty-one billion, four million, two hundred sixty-two thousand, seven hundred forty-six".