215034213999 has 16 divisors (see below), whose sum is σ = 316001548800. Its totient is φ = 128980220160.

The previous prime is 215034213997. The next prime is 215034214033. The reversal of 215034213999 is 999312430512.

It is not a de Polignac number, because 215034213999 - 2¹ = 215034213997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215034213997) 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, 33585399 + ... + 33591800.

It is an arithmetic number, because the mean of its divisors is an integer number (19750096800).

Almost surely, 2^215034213999 is an apocalyptic number.

215034213999 is a deficient number, since it is larger than the sum of its proper divisors (100967334801).

215034213999 is a wasteful number, since it uses less digits than its factorization.

215034213999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67177310.

The product of its (nonzero) digits is 524880, while the sum is 48.

The spelling of 215034213999 in words is "two hundred fifteen billion, thirty-four million, two hundred thirteen thousand, nine hundred ninety-nine".