2634992378 has 48 divisors (see below), whose sum is σ = 4240337640. Its totient is φ = 1227612672.

The previous prime is 2634992369. The next prime is 2634992411. The reversal of 2634992378 is 8732994362.

It can be written as a sum of positive squares in 4 ways, for example, as 1769632489 + 865359889 = 42067^2 + 29417^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8418350 + ... + 8418662.

Almost surely, 2^2634992378 is an apocalyptic number.

2634992378 is a deficient number, since it is larger than the sum of its proper divisors (1605345262).

2634992378 is a wasteful number, since it uses less digits than its factorization.

2634992378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543 (or 520 counting only the distinct ones).

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

The square root of 2634992378 is about 51332.1768289637. The cubic root of 2634992378 is about 1381.2102346325.

The spelling of 2634992378 in words is "two billion, six hundred thirty-four million, nine hundred ninety-two thousand, three hundred seventy-eight".