2421431335451 has 2 divisors, whose sum is σ = 2421431335452. Its totient is φ = 2421431335450.

The previous prime is 2421431335387. The next prime is 2421431335483. The reversal of 2421431335451 is 1545331341242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2421431335451 - 2⁶ = 2421431335387 is a prime.

It is not a weakly prime, because it can be changed into another prime (2421431335151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210715667725 + 1210715667726.

It is an arithmetic number, because the mean of its divisors is an integer number (1210715667726).

Almost surely, 2^{2421431335451} is an apocalyptic number.

2421431335451 is a deficient number, since it is larger than the sum of its proper divisors (1).

2421431335451 is an equidigital number, since it uses as much as digits as its factorization.

2421431335451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 172800, while the sum is 38.

Adding to 2421431335451 its reverse (1545331341242), we get a palindrome (3966762676693).

The spelling of 2421431335451 in words is "two trillion, four hundred twenty-one billion, four hundred thirty-one million, three hundred thirty-five thousand, four hundred fifty-one".