715078658669 has 2 divisors, whose sum is σ = 715078658670. Its totient is φ = 715078658668.

The previous prime is 715078658611. The next prime is 715078658713. The reversal of 715078658669 is 966856870517.

715078658669 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., 560147464900 + 154931193769 = 748430^2 + 393613^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-715078658669 is a prime.

It is a super-2 number, since 2×715078658669² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 715078658599 and 715078658608.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (715078658269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 357539329334 + 357539329335.

It is an arithmetic number, because the mean of its divisors is an integer number (357539329335).

Almost surely, 2^715078658669 is an apocalyptic number.

It is an amenable number.

715078658669 is a deficient number, since it is larger than the sum of its proper divisors (1).

715078658669 is an equidigital number, since it uses as much as digits as its factorization.

715078658669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 152409600, while the sum is 68.

The spelling of 715078658669 in words is "seven hundred fifteen billion, seventy-eight million, six hundred fifty-eight thousand, six hundred sixty-nine".