2490260797 has 4 divisors (see below), whose sum is σ = 2491521120. Its totient is φ = 2489000476.

The previous prime is 2490260789. The next prime is 2490260803. The reversal of 2490260797 is 7970620942.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2490260797 - 2³ = 2490260789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2490260777) 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, 627193 + ... + 631150.

It is an arithmetic number, because the mean of its divisors is an integer number (622880280).

Almost surely, 2^2490260797 is an apocalyptic number.

It is an amenable number.

2490260797 is a deficient number, since it is larger than the sum of its proper divisors (1260323).

2490260797 is a wasteful number, since it uses less digits than its factorization.

2490260797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1260322.

The product of its (nonzero) digits is 381024, while the sum is 46.

The square root of 2490260797 is about 49902.5129327171. The cubic root of 2490260797 is about 1355.4440971127. Note that the first 3 decimals are identical.

The spelling of 2490260797 in words is "two billion, four hundred ninety million, two hundred sixty thousand, seven hundred ninety-seven".