7213625915 has 8 divisors (see below), whose sum is σ = 8778271968. Its totient is φ = 5689620160.

The previous prime is 7213625893. The next prime is 7213625983. The reversal of 7213625915 is 5195263127.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7213625915 - 2¹² = 7213621819 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10159682 + ... + 10160391.

It is an arithmetic number, because the mean of its divisors is an integer number (1097283996).

Almost surely, 2^7213625915 is an apocalyptic number.

7213625915 is a deficient number, since it is larger than the sum of its proper divisors (1564646053).

7213625915 is a wasteful number, since it uses less digits than its factorization.

7213625915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20320149.

The product of its digits is 113400, while the sum is 41.

The square root of 7213625915 is about 84933.0672647585. The cubic root of 7213625915 is about 1932.1961197682.

The spelling of 7213625915 in words is "seven billion, two hundred thirteen million, six hundred twenty-five thousand, nine hundred fifteen".