2215391794038 has 12 divisors (see below), whose sum is σ = 4800015553788. Its totient is φ = 738463931340.

The previous prime is 2215391794003. The next prime is 2215391794127. The reversal of 2215391794038 is 8304971935122.

2215391794038 is a `hidden beast` number, since 2 + 2 + 1 + 539 + 1 + 79 + 4 + 0 + 38 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61538660928 + ... + 61538660963.

It is an arithmetic number, because the mean of its divisors is an integer number (400001296149).

Almost surely, 2^{2215391794038} is an apocalyptic number.

2215391794038 is an abundant number, since it is smaller than the sum of its proper divisors (2584623759750).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2215391794038 is a wasteful number, since it uses less digits than its factorization.

2215391794038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123077321899 (or 123077321896 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The spelling of 2215391794038 in words is "two trillion, two hundred fifteen billion, three hundred ninety-one million, seven hundred ninety-four thousand, thirty-eight".