743079215977513 has 2 divisors, whose sum is σ = 743079215977514. Its totient is φ = 743079215977512.

The previous prime is 743079215977451. The next prime is 743079215977517. The reversal of 743079215977513 is 315779512970347.

743079215977513 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., 704865702180249 + 38213513797264 = 26549307^2 + 6181708^2 .

It is a cyclic number.

It is not a de Polignac number, because 743079215977513 - 2¹⁷ = 743079215846441 is a prime.

It is a super-2 number, since 2×743079215977513² (a number of 31 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (743079215977517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371539607988756 + 371539607988757.

It is an arithmetic number, because the mean of its divisors is an integer number (371539607988757).

Almost surely, 2^{743079215977513} is an apocalyptic number.

It is an amenable number.

743079215977513 is a deficient number, since it is larger than the sum of its proper divisors (1).

743079215977513 is an equidigital number, since it uses as much as digits as its factorization.

743079215977513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 350065800, while the sum is 70.

The spelling of 743079215977513 in words is "seven hundred forty-three trillion, seventy-nine billion, two hundred fifteen million, nine hundred seventy-seven thousand, five hundred thirteen".