2538814994 has 8 divisors (see below), whose sum is σ = 3810218940. Its totient is φ = 1268742016.

The previous prime is 2538814981. The next prime is 2538815009. The reversal of 2538814994 is 4994188352.

2538814994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1908553969 + 630261025 = 43687^2 + 25105^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 327959 + ... + 335610.

Almost surely, 2^2538814994 is an apocalyptic number.

2538814994 is a deficient number, since it is larger than the sum of its proper divisors (1271403946).

2538814994 is a wasteful number, since it uses less digits than its factorization.

2538814994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665484.

The product of its digits is 2488320, while the sum is 53.

The square root of 2538814994 is about 50386.6549197305. The cubic root of 2538814994 is about 1364.1967739696.

The spelling of 2538814994 in words is "two billion, five hundred thirty-eight million, eight hundred fourteen thousand, nine hundred ninety-four".