213184620715 has 16 divisors (see below), whose sum is σ = 281955149280. Its totient is φ = 153444971520.

The previous prime is 213184620679. The next prime is 213184620749. The reversal of 213184620715 is 517026481312.

It is not a de Polignac number, because 213184620715 - 2⁷ = 213184620587 is a prime.

It is a super-2 number, since 2×213184620715² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19974480 + ... + 19985149.

It is an arithmetic number, because the mean of its divisors is an integer number (17622196830).

Almost surely, 2^213184620715 is an apocalyptic number.

213184620715 is a deficient number, since it is larger than the sum of its proper divisors (68770528565).

213184620715 is a wasteful number, since it uses less digits than its factorization.

213184620715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39959742.

The product of its (nonzero) digits is 80640, while the sum is 40.

The spelling of 213184620715 in words is "two hundred thirteen billion, one hundred eighty-four million, six hundred twenty thousand, seven hundred fifteen".