2197914913 has 4 divisors (see below), whose sum is σ = 2218079380. Its totient is φ = 2177750448.

The previous prime is 2197914907. The next prime is 2197914919. The reversal of 2197914913 is 3194197912.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2197914907) and next prime (2197914919).

It can be written as a sum of positive squares in 2 ways, for example, as 1096139664 + 1101775249 = 33108^2 + 33193^2 .

It is a cyclic number.

It is not a de Polignac number, because 2197914913 - 2²⁹ = 1661044001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2197914919) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10082070 + ... + 10082287.

It is an arithmetic number, because the mean of its divisors is an integer number (554519845).

Almost surely, 2^2197914913 is an apocalyptic number.

It is an amenable number.

2197914913 is a deficient number, since it is larger than the sum of its proper divisors (20164467).

2197914913 is a wasteful number, since it uses less digits than its factorization.

2197914913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20164466.

The product of its digits is 122472, while the sum is 46.

The square root of 2197914913 is about 46881.9252271064. The cubic root of 2197914913 is about 1300.1804311692.

The spelling of 2197914913 in words is "two billion, one hundred ninety-seven million, nine hundred fourteen thousand, nine hundred thirteen".