2113816474291 has 2 divisors, whose sum is σ = 2113816474292. Its totient is φ = 2113816474290.

The previous prime is 2113816474249. The next prime is 2113816474391. The reversal of 2113816474291 is 1924746183112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2113816474291 - 2¹⁹ = 2113815950003 is a prime.

It is not a weakly prime, because it can be changed into another prime (2113816474391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056908237145 + 1056908237146.

It is an arithmetic number, because the mean of its divisors is an integer number (1056908237146).

Almost surely, 2^{2113816474291} is an apocalyptic number.

2113816474291 is a deficient number, since it is larger than the sum of its proper divisors (1).

2113816474291 is an equidigital number, since it uses as much as digits as its factorization.

2113816474291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 580608, while the sum is 49.

The spelling of 2113816474291 in words is "two trillion, one hundred thirteen billion, eight hundred sixteen million, four hundred seventy-four thousand, two hundred ninety-one".