2113774697 has 2 divisors, whose sum is σ = 2113774698. Its totient is φ = 2113774696.

The previous prime is 2113774669. The next prime is 2113774753. The reversal of 2113774697 is 7964773112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1776538201 + 337236496 = 42149^2 + 18364^2 .

It is a cyclic number.

It is not a de Polignac number, because 2113774697 - 2¹⁴ = 2113758313 is a prime.

It is a super-3 number, since 3×2113774697³ (a number of 29 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (2113774657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056887348 + 1056887349.

It is an arithmetic number, because the mean of its divisors is an integer number (1056887349).

Almost surely, 2^2113774697 is an apocalyptic number.

It is an amenable number.

2113774697 is a deficient number, since it is larger than the sum of its proper divisors (1).

2113774697 is an equidigital number, since it uses as much as digits as its factorization.

2113774697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 444528, while the sum is 47.

The square root of 2113774697 is about 45975.8055611862. The cubic root of 2113774697 is about 1283.3730001719.

The spelling of 2113774697 in words is "two billion, one hundred thirteen million, seven hundred seventy-four thousand, six hundred ninety-seven".