2624538981 has 8 divisors (see below), whose sum is σ = 3509413600. Its totient is φ = 1744678512.

The previous prime is 2624538977. The next prime is 2624539007. The reversal of 2624538981 is 1898354262.

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

It is not a de Polignac number, because 2624538981 - 2² = 2624538977 is a prime.

It is a super-2 number, since 2×2624538981² = 13776409725577036722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2624538981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2624538281) 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, 1252315 + ... + 1254408.

It is an arithmetic number, because the mean of its divisors is an integer number (438676700).

Almost surely, 2^2624538981 is an apocalyptic number.

It is an amenable number.

2624538981 is a deficient number, since it is larger than the sum of its proper divisors (884874619).

2624538981 is a wasteful number, since it uses less digits than its factorization.

2624538981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2507075.

The product of its digits is 829440, while the sum is 48.

The square root of 2624538981 is about 51230.2545474840. The cubic root of 2624538981 is about 1379.3813268615.

The spelling of 2624538981 in words is "two billion, six hundred twenty-four million, five hundred thirty-eight thousand, nine hundred eighty-one".