2421445631 has 8 divisors (see below), whose sum is σ = 2666265984. Its totient is φ = 2180740120.

The previous prime is 2421445613. The next prime is 2421445639. The reversal of 2421445631 is 1365441242.

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 2421445631 - 2¹⁸ = 2421183487 is a prime.

It is a super-2 number, since 2×2421445631² = 11726797887777976322, 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 (2421445639) 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, 1027475 + ... + 1029828.

It is an arithmetic number, because the mean of its divisors is an integer number (333283248).

Almost surely, 2^2421445631 is an apocalyptic number.

2421445631 is a deficient number, since it is larger than the sum of its proper divisors (244820353).

2421445631 is a wasteful number, since it uses less digits than its factorization.

2421445631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2057421.

The product of its digits is 23040, while the sum is 32.

The square root of 2421445631 is about 49208.1866258045. The cubic root of 2421445631 is about 1342.8419728357.

Adding to 2421445631 its reverse (1365441242), we get a palindrome (3786886873).

The spelling of 2421445631 in words is "two billion, four hundred twenty-one million, four hundred forty-five thousand, six hundred thirty-one".