715350078649 has 2 divisors, whose sum is σ = 715350078650. Its totient is φ = 715350078648.

The previous prime is 715350078631. The next prime is 715350078671. The reversal of 715350078649 is 946870053517.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 514921056400 + 200429022249 = 717580^2 + 447693^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-715350078649 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 715350078649.

It is not a weakly prime, because it can be changed into another prime (715350078689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 357675039324 + 357675039325.

It is an arithmetic number, because the mean of its divisors is an integer number (357675039325).

Almost surely, 2^715350078649 is an apocalyptic number.

It is an amenable number.

715350078649 is a deficient number, since it is larger than the sum of its proper divisors (1).

715350078649 is an equidigital number, since it uses as much as digits as its factorization.

715350078649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6350400, while the sum is 55.

The spelling of 715350078649 in words is "seven hundred fifteen billion, three hundred fifty million, seventy-eight thousand, six hundred forty-nine".