3642536431 has 2 divisors, whose sum is σ = 3642536432. Its totient is φ = 3642536430.

The previous prime is 3642536269. The next prime is 3642536441. The reversal of 3642536431 is 1346352463.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3642536431 - 2¹¹ = 3642534383 is a prime.

It is a super-2 number, since 2×3642536431² = 26536143302324435522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3642536441) 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 as a sum of consecutive naturals, namely, 1821268215 + 1821268216.

It is an arithmetic number, because the mean of its divisors is an integer number (1821268216).

Almost surely, 2^3642536431 is an apocalyptic number.

3642536431 is a deficient number, since it is larger than the sum of its proper divisors (1).

3642536431 is an equidigital number, since it uses as much as digits as its factorization.

3642536431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 37.

The square root of 3642536431 is about 60353.4293226160. The cubic root of 3642536431 is about 1538.6315542177.

Adding to 3642536431 its reverse (1346352463), we get a palindrome (4988888894).

The spelling of 3642536431 in words is "three billion, six hundred forty-two million, five hundred thirty-six thousand, four hundred thirty-one".