213607720415 has 16 divisors (see below), whose sum is σ = 264027472896. Its totient is φ = 165806676000.

The previous prime is 213607720411. The next prime is 213607720429. The reversal of 213607720415 is 514027706312.

It is not a de Polignac number, because 213607720415 - 2² = 213607720411 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 (213607720411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3257351 + ... + 3322280.

It is an arithmetic number, because the mean of its divisors is an integer number (16501717056).

Almost surely, 2^213607720415 is an apocalyptic number.

213607720415 is a deficient number, since it is larger than the sum of its proper divisors (50419752481).

213607720415 is a wasteful number, since it uses less digits than its factorization.

213607720415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6579830.

The product of its (nonzero) digits is 70560, while the sum is 38.

The spelling of 213607720415 in words is "two hundred thirteen billion, six hundred seven million, seven hundred twenty thousand, four hundred fifteen".