749116859549 has 2 divisors, whose sum is σ = 749116859550. Its totient is φ = 749116859548.

The previous prime is 749116859539. The next prime is 749116859573. The reversal of 749116859549 is 945958611947.

749116859549 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 663915336100 + 85201523449 = 814810^2 + 291893^2 .

It is a cyclic number.

It is not a de Polignac number, because 749116859549 - 2³² = 744821892253 is a prime.

It is a super-2 number, since 2×749116859549² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (749116859539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374558429774 + 374558429775.

It is an arithmetic number, because the mean of its divisors is an integer number (374558429775).

Almost surely, 2^749116859549 is an apocalyptic number.

It is an amenable number.

749116859549 is a deficient number, since it is larger than the sum of its proper divisors (1).

749116859549 is an equidigital number, since it uses as much as digits as its factorization.

749116859549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 97977600, while the sum is 68.

The spelling of 749116859549 in words is "seven hundred forty-nine billion, one hundred sixteen million, eight hundred fifty-nine thousand, five hundred forty-nine".