75993961951 has 2 divisors, whose sum is σ = 75993961952. Its totient is φ = 75993961950.

The previous prime is 75993961943. The next prime is 75993961957. The reversal of 75993961951 is 15916939957.

It is a strong prime.

It is an emirp because it is prime and its reverse (15916939957) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 75993961951 - 2³ = 75993961943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75993961957) 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 as a sum of consecutive naturals, namely, 37996980975 + 37996980976.

It is an arithmetic number, because the mean of its divisors is an integer number (37996980976).

Almost surely, 2^75993961951 is an apocalyptic number.

75993961951 is a deficient number, since it is larger than the sum of its proper divisors (1).

75993961951 is an equidigital number, since it uses as much as digits as its factorization.

75993961951 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20667150, while the sum is 64.

The spelling of 75993961951 in words is "seventy-five billion, nine hundred ninety-three million, nine hundred sixty-one thousand, nine hundred fifty-one".