715841888821 has 2 divisors, whose sum is σ = 715841888822. Its totient is φ = 715841888820.

The previous prime is 715841888813. The next prime is 715841888941. The reversal of 715841888821 is 128888148517.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 499417823025 + 216424065796 = 706695^2 + 465214^2 .

It is a cyclic number.

It is not a de Polignac number, because 715841888821 - 2³ = 715841888813 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 715841888821.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (715871888821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 357920944410 + 357920944411.

It is an arithmetic number, because the mean of its divisors is an integer number (357920944411).

Almost surely, 2^715841888821 is an apocalyptic number.

It is an amenable number.

715841888821 is a deficient number, since it is larger than the sum of its proper divisors (1).

715841888821 is an equidigital number, since it uses as much as digits as its factorization.

715841888821 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9175040, while the sum is 61.

The spelling of 715841888821 in words is "seven hundred fifteen billion, eight hundred forty-one million, eight hundred eighty-eight thousand, eight hundred twenty-one".