2213917255779 has 8 divisors (see below), whose sum is σ = 2951898785472. Its totient is φ = 1475940281640.

The previous prime is 2213917255769. The next prime is 2213917255807. The reversal of 2213917255779 is 9775527193122.

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

It is not a de Polignac number, because 2213917255779 - 2⁴ = 2213917255763 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2213917255769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230184 + ... + 2116794.

It is an arithmetic number, because the mean of its divisors is an integer number (368987348184).

Almost surely, 2^{2213917255779} is an apocalyptic number.

2213917255779 is a deficient number, since it is larger than the sum of its proper divisors (737981529693).

2213917255779 is a wasteful number, since it uses less digits than its factorization.

2213917255779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2277777.

The product of its digits is 16669800, while the sum is 60.

The spelling of 2213917255779 in words is "two trillion, two hundred thirteen billion, nine hundred seventeen million, two hundred fifty-five thousand, seven hundred seventy-nine".