2491498090 has 16 divisors (see below), whose sum is σ = 4488177672. Its totient is φ = 995825664.

The previous prime is 2491498081. The next prime is 2491498157. The reversal of 2491498090 is 908941942.

It can be written as a sum of positive squares in 4 ways, for example, as 2487914641 + 3583449 = 49879^2 + 1893^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2491498090.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83079 + ... + 109018.

Almost surely, 2^2491498090 is an apocalyptic number.

2491498090 is a deficient number, since it is larger than the sum of its proper divisors (1996679582).

2491498090 is a wasteful number, since it uses less digits than its factorization.

2491498090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193401.

The product of its (nonzero) digits is 186624, while the sum is 46.

The square root of 2491498090 is about 49914.9084943567. The cubic root of 2491498090 is about 1355.6685453335.

The spelling of 2491498090 in words is "two billion, four hundred ninety-one million, four hundred ninety-eight thousand, ninety".