51190746747 has 16 divisors (see below), whose sum is σ = 78142056960. Its totient is φ = 29200439232.

The previous prime is 51190746703. The next prime is 51190746781. The reversal of 51190746747 is 74764709115.

It is not a de Polignac number, because 51190746747 - 2¹⁴ = 51190730363 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51190746747.

It is not an unprimeable number, because it can be changed into a prime (51190746787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2130103 + ... + 2154000.

It is an arithmetic number, because the mean of its divisors is an integer number (4883878560).

Almost surely, 2^51190746747 is an apocalyptic number.

51190746747 is a deficient number, since it is larger than the sum of its proper divisors (26951310213).

51190746747 is a wasteful number, since it uses less digits than its factorization.

51190746747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4284682.

The product of its (nonzero) digits is 1481760, while the sum is 51.

The spelling of 51190746747 in words is "fifty-one billion, one hundred ninety million, seven hundred forty-six thousand, seven hundred forty-seven".