75459921037 has 2 divisors, whose sum is σ = 75459921038. Its totient is φ = 75459921036.

The previous prime is 75459920971. The next prime is 75459921083. The reversal of 75459921037 is 73012995457.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74416566436 + 1043354601 = 272794^2 + 32301^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75459921037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75459921137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37729960518 + 37729960519.

It is an arithmetic number, because the mean of its divisors is an integer number (37729960519).

Almost surely, 2^75459921037 is an apocalyptic number.

It is an amenable number.

75459921037 is a deficient number, since it is larger than the sum of its proper divisors (1).

75459921037 is an equidigital number, since it uses as much as digits as its factorization.

75459921037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2381400, while the sum is 52.

The spelling of 75459921037 in words is "seventy-five billion, four hundred fifty-nine million, nine hundred twenty-one thousand, thirty-seven".