3644114431 has 2 divisors, whose sum is σ = 3644114432. Its totient is φ = 3644114430.

The previous prime is 3644114429. The next prime is 3644114437. The reversal of 3644114431 is 1344114463.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3644114431 - 2¹ = 3644114429 is a prime.

It is a super-2 number, since 2×3644114431² = 26559139972444907522, which contains 22 as substring.

Together with 3644114429, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 3644114393 and 3644114402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3644114437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1822057215 + 1822057216.

It is an arithmetic number, because the mean of its divisors is an integer number (1822057216).

Almost surely, 2^3644114431 is an apocalyptic number.

3644114431 is a deficient number, since it is larger than the sum of its proper divisors (1).

3644114431 is an equidigital number, since it uses as much as digits as its factorization.

3644114431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 31.

The square root of 3644114431 is about 60366.5009007479. The cubic root of 3644114431 is about 1538.8537080303.

Adding to 3644114431 its reverse (1344114463), we get a palindrome (4988228894).

The spelling of 3644114431 in words is "three billion, six hundred forty-four million, one hundred fourteen thousand, four hundred thirty-one".