749023966573 has 2 divisors, whose sum is σ = 749023966574. Its totient is φ = 749023966572.

The previous prime is 749023966567. The next prime is 749023966583. The reversal of 749023966573 is 375669320947.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 508936706404 + 240087260169 = 713398^2 + 489987^2 .

It is a cyclic number.

It is not a de Polignac number, because 749023966573 - 2²⁵ = 748990412141 is a prime.

It is a super-2 number, since 2×749023966573² (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 (749023966543) 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, 374511983286 + 374511983287.

It is an arithmetic number, because the mean of its divisors is an integer number (374511983287).

Almost surely, 2^749023966573 is an apocalyptic number.

It is an amenable number.

749023966573 is a deficient number, since it is larger than the sum of its proper divisors (1).

749023966573 is an equidigital number, since it uses as much as digits as its factorization.

749023966573 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51438240, while the sum is 61.

The spelling of 749023966573 in words is "seven hundred forty-nine billion, twenty-three million, nine hundred sixty-six thousand, five hundred seventy-three".