2621042331 has 8 divisors (see below), whose sum is σ = 3495274560. Its totient is φ = 1747085832.

The previous prime is 2621042323. The next prime is 2621042363. The reversal of 2621042331 is 1332401262.

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

It is not a de Polignac number, because 2621042331 - 2³ = 2621042323 is a prime.

It is a super-2 number, since 2×2621042331² = 13739725801787827122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2621042311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45625 + ... + 85578.

It is an arithmetic number, because the mean of its divisors is an integer number (436909320).

Almost surely, 2^2621042331 is an apocalyptic number.

2621042331 is a deficient number, since it is larger than the sum of its proper divisors (874232229).

2621042331 is a wasteful number, since it uses less digits than its factorization.

2621042331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137865.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 2621042331 is about 51196.1163663808. The cubic root of 2621042331 is about 1378.7684754473.

Adding to 2621042331 its reverse (1332401262), we get a palindrome (3953443593).

The spelling of 2621042331 in words is "two billion, six hundred twenty-one million, forty-two thousand, three hundred thirty-one".