2378249369 has 2 divisors, whose sum is σ = 2378249370. Its totient is φ = 2378249368.

The previous prime is 2378249339. The next prime is 2378249383. The reversal of 2378249369 is 9639428732.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1329331600 + 1048917769 = 36460^2 + 32387^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2378249369 is a prime.

It is a super-2 number, since 2×2378249369² = 11312140122297796322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2378249369.

It is not a weakly prime, because it can be changed into another prime (2378249339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1189124684 + 1189124685.

It is an arithmetic number, because the mean of its divisors is an integer number (1189124685).

Almost surely, 2^2378249369 is an apocalyptic number.

It is an amenable number.

2378249369 is a deficient number, since it is larger than the sum of its proper divisors (1).

2378249369 is an equidigital number, since it uses as much as digits as its factorization.

2378249369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3919104, while the sum is 53.

The square root of 2378249369 is about 48767.2981515277. The cubic root of 2378249369 is about 1334.8090117538.

The spelling of 2378249369 in words is "two billion, three hundred seventy-eight million, two hundred forty-nine thousand, three hundred sixty-nine".