740773513517 has 2 divisors, whose sum is σ = 740773513518. Its totient is φ = 740773513516.

The previous prime is 740773513481. The next prime is 740773513549. The reversal of 740773513517 is 715315377047.

740773513517 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., 738119821321 + 2653692196 = 859139^2 + 51514^2 .

It is a cyclic number.

It is not a de Polignac number, because 740773513517 - 2⁸ = 740773513261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (740773513577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370386756758 + 370386756759.

It is an arithmetic number, because the mean of its divisors is an integer number (370386756759).

Almost surely, 2^740773513517 is an apocalyptic number.

It is an amenable number.

740773513517 is a deficient number, since it is larger than the sum of its proper divisors (1).

740773513517 is an equidigital number, since it uses as much as digits as its factorization.

740773513517 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160900, while the sum is 50.

The spelling of 740773513517 in words is "seven hundred forty billion, seven hundred seventy-three million, five hundred thirteen thousand, five hundred seventeen".