715172005147 has 4 divisors (see below), whose sum is σ = 715174524280. Its totient is φ = 715169486016.

The previous prime is 715172005139. The next prime is 715172005157. The reversal of 715172005147 is 741500271517.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 715172005147 - 2³ = 715172005139 is a prime.

It is a super-2 number, since 2×715172005147² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (715172005157) 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, 770397 + ... + 1422622.

It is an arithmetic number, because the mean of its divisors is an integer number (178793631070).

Almost surely, 2^715172005147 is an apocalyptic number.

715172005147 is a deficient number, since it is larger than the sum of its proper divisors (2519133).

715172005147 is a wasteful number, since it uses less digits than its factorization.

715172005147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2519132.

The product of its (nonzero) digits is 68600, while the sum is 40.

The spelling of 715172005147 in words is "seven hundred fifteen billion, one hundred seventy-two million, five thousand, one hundred forty-seven".