1641414431 has 2 divisors, whose sum is σ = 1641414432. Its totient is φ = 1641414430.

The previous prime is 1641414419. The next prime is 1641414449. The reversal of 1641414431 is 1344141461.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1641414431 - 2⁶ = 1641414367 is a prime.

It is a super-2 number, since 2×1641414431² = 5388482668590107522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 1641414394 and 1641414403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1641414491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 820707215 + 820707216.

It is an arithmetic number, because the mean of its divisors is an integer number (820707216).

Almost surely, 2^1641414431 is an apocalyptic number.

1641414431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1641414431 is an equidigital number, since it uses as much as digits as its factorization.

1641414431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4608, while the sum is 29.

The square root of 1641414431 is about 40514.3731408990. The cubic root of 1641414431 is about 1179.6126352284.

Adding to 1641414431 its reverse (1344141461), we get a palindrome (2985555892).

The spelling of 1641414431 in words is "one billion, six hundred forty-one million, four hundred fourteen thousand, four hundred thirty-one".