2490870187 has 8 divisors (see below), whose sum is σ = 2706215904. Its totient is φ = 2278915968.

The previous prime is 2490870149. The next prime is 2490870191. The reversal of 2490870187 is 7810780942.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2490870187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2490870127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 846343 + ... + 849280.

It is an arithmetic number, because the mean of its divisors is an integer number (338276988).

Almost surely, 2^2490870187 is an apocalyptic number.

2490870187 is a deficient number, since it is larger than the sum of its proper divisors (215345717).

2490870187 is a wasteful number, since it uses less digits than its factorization.

2490870187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1695749.

The product of its (nonzero) digits is 225792, while the sum is 46.

The square root of 2490870187 is about 49908.6183639660. The cubic root of 2490870187 is about 1355.5546513583.

The spelling of 2490870187 in words is "two billion, four hundred ninety million, eight hundred seventy thousand, one hundred eighty-seven".