4644352431431 has 2 divisors, whose sum is σ = 4644352431432. Its totient is φ = 4644352431430.

The previous prime is 4644352431403. The next prime is 4644352431443. The reversal of 4644352431431 is 1341342534464.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4644352431431 - 2¹⁴ = 4644352415047 is a prime.

It is a super-2 number, since 2×4644352431431² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4644352431931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2322176215715 + 2322176215716.

It is an arithmetic number, because the mean of its divisors is an integer number (2322176215716).

Almost surely, 2^{4644352431431} is an apocalyptic number.

4644352431431 is a deficient number, since it is larger than the sum of its proper divisors (1).

4644352431431 is an equidigital number, since it uses as much as digits as its factorization.

4644352431431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1658880, while the sum is 44.

Adding to 4644352431431 its reverse (1341342534464), we get a palindrome (5985694965895).

The spelling of 4644352431431 in words is "four trillion, six hundred forty-four billion, three hundred fifty-two million, four hundred thirty-one thousand, four hundred thirty-one".