2493059381 has 4 divisors (see below), whose sum is σ = 2510995200. Its totient is φ = 2475123564.

The previous prime is 2493059357. The next prime is 2493059411. The reversal of 2493059381 is 1839503942.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1839503942 = 2 ⋅919751971.

It is a cyclic number.

It is not a de Polignac number, because 2493059381 - 2¹⁰ = 2493058357 is a prime.

It is a super-2 number, since 2×2493059381² = 12430690154384206322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2493059321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8967701 + ... + 8967978.

It is an arithmetic number, because the mean of its divisors is an integer number (627748800).

Almost surely, 2^2493059381 is an apocalyptic number.

It is an amenable number.

2493059381 is a deficient number, since it is larger than the sum of its proper divisors (17935819).

2493059381 is a wasteful number, since it uses less digits than its factorization.

2493059381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17935818.

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 2493059381 is about 49930.5455708227. The cubic root of 2493059381 is about 1355.9516616297.

The spelling of 2493059381 in words is "two billion, four hundred ninety-three million, fifty-nine thousand, three hundred eighty-one".