2490323381 has 8 divisors (see below), whose sum is σ = 3065013504. Its totient is φ = 1970365680.

The previous prime is 2490323377. The next prime is 2490323401. The reversal of 2490323381 is 1833230942.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2490323381 - 2² = 2490323377 is a prime.

It is a super-2 number, since 2×2490323381² = 12403421083910542322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2490323681) 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 7 ways as a sum of consecutive naturals, for example, 13683005 + ... + 13683186.

It is an arithmetic number, because the mean of its divisors is an integer number (383126688).

Almost surely, 2^2490323381 is an apocalyptic number.

It is an amenable number.

2490323381 is a deficient number, since it is larger than the sum of its proper divisors (574690123).

2490323381 is a wasteful number, since it uses less digits than its factorization.

2490323381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27366211.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 2490323381 is about 49903.1399913873. The cubic root of 2490323381 is about 1355.4554518006.

It can be divided in two parts, 24903 and 23381, that added together give a palindrome (48284).

The spelling of 2490323381 in words is "two billion, four hundred ninety million, three hundred twenty-three thousand, three hundred eighty-one".