2494537881 has 8 divisors (see below), whose sum is σ = 3628418784. Its totient is φ = 1511841120.

The previous prime is 2494537849. The next prime is 2494537897. The reversal of 2494537881 is 1887354942.

It is a happy number.

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

It is not a de Polignac number, because 2494537881 - 2⁵ = 2494537849 is a prime.

It is a super-2 number, since 2×2494537881² = 12445438479487940322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2494537181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37795996 + ... + 37796061.

It is an arithmetic number, because the mean of its divisors is an integer number (453552348).

Almost surely, 2^2494537881 is an apocalyptic number.

It is an amenable number.

2494537881 is a deficient number, since it is larger than the sum of its proper divisors (1133880903).

2494537881 is a wasteful number, since it uses less digits than its factorization.

2494537881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75592071.

The product of its digits is 1935360, while the sum is 51.

The square root of 2494537881 is about 49945.3489426193. The cubic root of 2494537881 is about 1356.2196560959.

It can be divided in two parts, 24945 and 37881, that added together give a palindrome (62826).

The spelling of 2494537881 in words is "two billion, four hundred ninety-four million, five hundred thirty-seven thousand, eight hundred eighty-one".