749265562897 has 2 divisors, whose sum is σ = 749265562898. Its totient is φ = 749265562896.

The previous prime is 749265562883. The next prime is 749265562973. The reversal of 749265562897 is 798265562947.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 615862383361 + 133403179536 = 784769^2 + 365244^2 .

It is a cyclic number.

It is not a de Polignac number, because 749265562897 - 2³⁹ = 199509749009 is a prime.

It is a super-2 number, since 2×749265562897² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (749265562847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374632781448 + 374632781449.

It is an arithmetic number, because the mean of its divisors is an integer number (374632781449).

Almost surely, 2^749265562897 is an apocalyptic number.

It is an amenable number.

749265562897 is a deficient number, since it is larger than the sum of its proper divisors (1).

749265562897 is an equidigital number, since it uses as much as digits as its factorization.

749265562897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 457228800, while the sum is 70.

The spelling of 749265562897 in words is "seven hundred forty-nine billion, two hundred sixty-five million, five hundred sixty-two thousand, eight hundred ninety-seven".