749208253219 has 2 divisors, whose sum is σ = 749208253220. Its totient is φ = 749208253218.

The previous prime is 749208253153. The next prime is 749208253273. The reversal of 749208253219 is 912352802947.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 749208253219 - 2²¹ = 749206156067 is a prime.

It is a super-2 number, since 2×749208253219² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (749208253319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374604126609 + 374604126610.

It is an arithmetic number, because the mean of its divisors is an integer number (374604126610).

Almost surely, 2^749208253219 is an apocalyptic number.

749208253219 is a deficient number, since it is larger than the sum of its proper divisors (1).

749208253219 is an equidigital number, since it uses as much as digits as its factorization.

749208253219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2177280, while the sum is 52.

The spelling of 749208253219 in words is "seven hundred forty-nine billion, two hundred eight million, two hundred fifty-three thousand, two hundred nineteen".