2490118387 has 4 divisors (see below), whose sum is σ = 2491922896. Its totient is φ = 2488313880.

The previous prime is 2490118373. The next prime is 2490118409. The reversal of 2490118387 is 7838110942.

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

It is a cyclic number.

It is not a de Polignac number, because 2490118387 - 2⁷ = 2490118259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2490115387) 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, 900183 + ... + 902944.

It is an arithmetic number, because the mean of its divisors is an integer number (622980724).

Almost surely, 2^2490118387 is an apocalyptic number.

2490118387 is a deficient number, since it is larger than the sum of its proper divisors (1804509).

2490118387 is a wasteful number, since it uses less digits than its factorization.

2490118387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1804508.

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 2490118387 is about 49901.0860302659. The cubic root of 2490118387 is about 1355.4182587917.

The spelling of 2490118387 in words is "two billion, four hundred ninety million, one hundred eighteen thousand, three hundred eighty-seven".