1641383311 has 2 divisors, whose sum is σ = 1641383312. Its totient is φ = 1641383310.

The previous prime is 1641383273. The next prime is 1641383323. The reversal of 1641383311 is 1133831461.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1641383311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1641383411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 820691655 + 820691656.

It is an arithmetic number, because the mean of its divisors is an integer number (820691656).

Almost surely, 2^1641383311 is an apocalyptic number.

1641383311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1641383311 is an equidigital number, since it uses as much as digits as its factorization.

1641383311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 31.

The square root of 1641383311 is about 40513.9890778482. The cubic root of 1641383311 is about 1179.6051803211.

The spelling of 1641383311 in words is "one billion, six hundred forty-one million, three hundred eighty-three thousand, three hundred eleven".