2421433431 has 12 divisors (see below), whose sum is σ = 3498192360. Its totient is φ = 1614027600.

The previous prime is 2421433429. The next prime is 2421433447. The reversal of 2421433431 is 1343341242.

It is not a de Polignac number, because 2421433431 - 2¹ = 2421433429 is a prime.

It is a super-2 number, since 2×2421433431² = 11726679721528863522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2421433395 and 2421433404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2421433411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49005 + ... + 85113.

It is an arithmetic number, because the mean of its divisors is an integer number (291516030).

Almost surely, 2^2421433431 is an apocalyptic number.

2421433431 is a deficient number, since it is larger than the sum of its proper divisors (1076758929).

2421433431 is a wasteful number, since it uses less digits than its factorization.

2421433431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43566 (or 43563 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 2421433431 is about 49208.0626625353. The cubic root of 2421433431 is about 1342.8397176127.

Adding to 2421433431 its reverse (1343341242), we get a palindrome (3764774673).

The spelling of 2421433431 in words is "two billion, four hundred twenty-one million, four hundred thirty-three thousand, four hundred thirty-one".