715145525541389 has 2 divisors, whose sum is σ = 715145525541390. Its totient is φ = 715145525541388.

The previous prime is 715145525541373. The next prime is 715145525541431. The reversal of 715145525541389 is 983145525541517.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 574578062648164 + 140567462893225 = 23970358^2 + 11856115^2 .

It is a cyclic number.

It is not a de Polignac number, because 715145525541389 - 2⁴ = 715145525541373 is a prime.

It is a super-2 number, since 2×715145525541389² (a number of 31 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (715145525541319) 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, 357572762770694 + 357572762770695.

It is an arithmetic number, because the mean of its divisors is an integer number (357572762770695).

Almost surely, 2^{715145525541389} is an apocalyptic number.

It is an amenable number.

715145525541389 is a deficient number, since it is larger than the sum of its proper divisors (1).

715145525541389 is an equidigital number, since it uses as much as digits as its factorization.

715145525541389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 151200000, while the sum is 65.

The spelling of 715145525541389 in words is "seven hundred fifteen trillion, one hundred forty-five billion, five hundred twenty-five million, five hundred forty-one thousand, three hundred eighty-nine".