2490873381 has 12 divisors (see below), whose sum is σ = 3787293120. Its totient is φ = 1573183080.

The previous prime is 2490873367. The next prime is 2490873391. The reversal of 2490873381 is 1833780942.

2490873381 is a `hidden beast` number, since 2 + 490 + 87 + 3 + 3 + 81 = 666.

It is not a de Polignac number, because 2490873381 - 2⁶ = 2490873317 is a prime.

It is a super-2 number, since 2×2490873381² = 12408900400348742322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2490873331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7283085 + ... + 7283426.

It is an arithmetic number, because the mean of its divisors is an integer number (315607760).

Almost surely, 2^2490873381 is an apocalyptic number.

It is an amenable number.

2490873381 is a deficient number, since it is larger than the sum of its proper divisors (1296419739).

2490873381 is a wasteful number, since it uses less digits than its factorization.

2490873381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14566536 (or 14566533 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 2490873381 is about 49908.6503624372. The cubic root of 2490873381 is about 1355.5552307595. Note that the first 3 decimals are identical.

It can be divided in two parts, 24908 and 73381, that added together give a palindrome (98289).

The spelling of 2490873381 in words is "two billion, four hundred ninety million, eight hundred seventy-three thousand, three hundred eighty-one".