749208253273 has 2 divisors, whose sum is σ = 749208253274. Its totient is φ = 749208253272.

The previous prime is 749208253219. The next prime is 749208253319. The reversal of 749208253273 is 372352802947.

749208253273 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 380901277584 + 368306975689 = 617172^2 + 606883^2 .

It is a cyclic number.

It is not a de Polignac number, because 749208253273 - 2⁹ = 749208252761 is a prime.

It is a super-2 number, since 2×749208253273² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 749208253273.

It is not a weakly prime, because it can be changed into another prime (749208254273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374604126636 + 374604126637.

It is an arithmetic number, because the mean of its divisors is an integer number (374604126637).

Almost surely, 2^749208253273 is an apocalyptic number.

It is an amenable number.

749208253273 is a deficient number, since it is larger than the sum of its proper divisors (1).

749208253273 is an equidigital number, since it uses as much as digits as its factorization.

749208253273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5080320, while the sum is 52.

The spelling of 749208253273 in words is "seven hundred forty-nine billion, two hundred eight million, two hundred fifty-three thousand, two hundred seventy-three".