2104402397 has 4 divisors (see below), whose sum is σ = 2135811456. Its totient is φ = 2072993340.

The previous prime is 2104402387. The next prime is 2104402403. The reversal of 2104402397 is 7932044012.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2104402397 - 2¹⁸ = 2104140253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2104402387) 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, 15704429 + ... + 15704562.

It is an arithmetic number, because the mean of its divisors is an integer number (533952864).

Almost surely, 2^2104402397 is an apocalyptic number.

It is an amenable number.

2104402397 is a deficient number, since it is larger than the sum of its proper divisors (31409059).

2104402397 is an equidigital number, since it uses as much as digits as its factorization.

2104402397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31409058.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 2104402397 is about 45873.7658907572. The cubic root of 2104402397 is about 1281.4734003727.

The spelling of 2104402397 in words is "two billion, one hundred four million, four hundred two thousand, three hundred ninety-seven".