2378249402 has 4 divisors (see below), whose sum is σ = 3567374106. Its totient is φ = 1189124700.

The previous prime is 2378249389. The next prime is 2378249411. The reversal of 2378249402 is 2049428732.

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

It can be written as a sum of positive squares in only one way, i.e., 1242492001 + 1135757401 = 35249^2 + 33701^2 .

It is a super-2 number, since 2×2378249402² = 11312140436226715208, 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 2378249402.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 594562349 + ... + 594562352.

Almost surely, 2^2378249402 is an apocalyptic number.

2378249402 is a deficient number, since it is larger than the sum of its proper divisors (1189124704).

2378249402 is a wasteful number, since it uses less digits than its factorization.

2378249402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1189124703.

The product of its (nonzero) digits is 193536, while the sum is 41.

The square root of 2378249402 is about 48767.2984898692. The cubic root of 2378249402 is about 1334.8090179276.

The spelling of 2378249402 in words is "two billion, three hundred seventy-eight million, two hundred forty-nine thousand, four hundred two".