749799993851 has 2 divisors, whose sum is σ = 749799993852. Its totient is φ = 749799993850.

The previous prime is 749799993809. The next prime is 749799993857. The reversal of 749799993851 is 158399997947.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 749799993851 - 2²² = 749795799547 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (749799993857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374899996925 + 374899996926.

It is an arithmetic number, because the mean of its divisors is an integer number (374899996926).

Almost surely, 2^749799993851 is an apocalyptic number.

749799993851 is a deficient number, since it is larger than the sum of its proper divisors (1).

749799993851 is an equidigital number, since it uses as much as digits as its factorization.

749799993851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1388832480, while the sum is 80.

The spelling of 749799993851 in words is "seven hundred forty-nine billion, seven hundred ninety-nine million, nine hundred ninety-three thousand, eight hundred fifty-one".