2490396439 has 6 divisors (see below), whose sum is σ = 2571018656. Its totient is φ = 2409792180.

The previous prime is 2490396437. The next prime is 2490396449. The reversal of 2490396439 is 9346930942.

2490396439 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2490396439 - 2¹ = 2490396437 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2490396392 and 2490396401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2490396437) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 273372 + ... + 282334.

Almost surely, 2^2490396439 is an apocalyptic number.

2490396439 is a deficient number, since it is larger than the sum of its proper divisors (80622217).

2490396439 is an frugal number, since it uses more digits than its factorization.

2490396439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17957 (or 8994 counting only the distinct ones).

The product of its (nonzero) digits is 1259712, while the sum is 49.

The square root of 2490396439 is about 49903.8719840455. The cubic root of 2490396439 is about 1355.4687065579.

The spelling of 2490396439 in words is "two billion, four hundred ninety million, three hundred ninety-six thousand, four hundred thirty-nine".