715453985647 has 4 divisors (see below), whose sum is σ = 715471452576. Its totient is φ = 715436518720.

The previous prime is 715453985627. The next prime is 715453985671. The reversal of 715453985647 is 746589354517.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 746589354517 = 19069 ⋅39151993.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-715453985647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (715453985627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8671879 + ... + 8753992.

It is an arithmetic number, because the mean of its divisors is an integer number (178867863144).

Almost surely, 2^715453985647 is an apocalyptic number.

715453985647 is a deficient number, since it is larger than the sum of its proper divisors (17466929).

715453985647 is a wasteful number, since it uses less digits than its factorization.

715453985647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17466928.

The product of its digits is 127008000, while the sum is 64.

The spelling of 715453985647 in words is "seven hundred fifteen billion, four hundred fifty-three million, nine hundred eighty-five thousand, six hundred forty-seven".