2490109801 has 9 divisors (see below), whose sum is σ = 2515159101. Its totient is φ = 2465309004.

The previous prime is 2490109781. The next prime is 2490109807. The reversal of 2490109801 is 1089010942.

The square root of 2490109801 is 49901.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 2490109801 - 2⁷ = 2490109673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2490109807) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 6936060 + ... + 6936418.

Almost surely, 2^2490109801 is an apocalyptic number.

2490109801 is the 49901-st square number.

2490109801 is the 24951-st centered octagonal number.

It is an amenable number.

2490109801 is a deficient number, since it is larger than the sum of its proper divisors (25049300).

2490109801 is an frugal number, since it uses more digits than its factorization.

2490109801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996 (or 498 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 34.

The cubic root of 2490109801 is about 1355.4167009495.

Multiplying 2490109801 by its product of nonzero digits (5184), we get a square (12908729208384 = 3592872²).

The spelling of 2490109801 in words is "two billion, four hundred ninety million, one hundred nine thousand, eight hundred one".