75751056613 has 2 divisors, whose sum is σ = 75751056614. Its totient is φ = 75751056612.

The previous prime is 75751056599. The next prime is 75751056673. The reversal of 75751056613 is 31665015757.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69509740609 + 6241316004 = 263647^2 + 79002^2 .

It is a cyclic number.

It is not a de Polignac number, because 75751056613 - 2⁵ = 75751056581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75751056673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37875528306 + 37875528307.

It is an arithmetic number, because the mean of its divisors is an integer number (37875528307).

Almost surely, 2^75751056613 is an apocalyptic number.

It is an amenable number.

75751056613 is a deficient number, since it is larger than the sum of its proper divisors (1).

75751056613 is an equidigital number, since it uses as much as digits as its factorization.

75751056613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 661500, while the sum is 46.

The spelling of 75751056613 in words is "seventy-five billion, seven hundred fifty-one million, fifty-six thousand, six hundred thirteen".