2491707090 has 16 divisors (see below), whose sum is σ = 5980097088. Its totient is φ = 664455216.

The previous prime is 2491707037. The next prime is 2491707143. The reversal of 2491707090 is 907071942.

It is an interprime number because it is at equal distance from previous prime (2491707037) and next prime (2491707143).

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, 41528422 + ... + 41528481.

It is an arithmetic number, because the mean of its divisors is an integer number (373756068).

Almost surely, 2^2491707090 is an apocalyptic number.

2491707090 is an abundant number, since it is smaller than the sum of its proper divisors (3488389998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2491707090 is a wasteful number, since it uses less digits than its factorization.

2491707090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83056913.

The product of its (nonzero) digits is 31752, while the sum is 39.

The square root of 2491707090 is about 49917.0020133421. The cubic root of 2491707090 is about 1355.7064511494.

The spelling of 2491707090 in words is "two billion, four hundred ninety-one million, seven hundred seven thousand, ninety".