749897188991 has 2 divisors, whose sum is σ = 749897188992. Its totient is φ = 749897188990.

The previous prime is 749897188927. The next prime is 749897189021. The reversal of 749897188991 is 199881798947.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 749897188991 - 2⁶ = 749897188927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (749897188291) 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, 374948594495 + 374948594496.

It is an arithmetic number, because the mean of its divisors is an integer number (374948594496).

Almost surely, 2^749897188991 is an apocalyptic number.

749897188991 is a deficient number, since it is larger than the sum of its proper divisors (1).

749897188991 is an equidigital number, since it uses as much as digits as its factorization.

749897188991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 658409472, while the sum is 80.

The spelling of 749897188991 in words is "seven hundred forty-nine billion, eight hundred ninety-seven million, one hundred eighty-eight thousand, nine hundred ninety-one".