641441299 has 2 divisors, whose sum is σ = 641441300. Its totient is φ = 641441298.

The previous prime is 641441267. The next prime is 641441303. The reversal of 641441299 is 992144146.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 641441299 - 2⁵ = 641441267 is a prime.

It is a super-2 number, since 2×641441299² = 822893880125614802, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (641441219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 320720649 + 320720650.

It is an arithmetic number, because the mean of its divisors is an integer number (320720650).

Almost surely, 2^641441299 is an apocalyptic number.

641441299 is a deficient number, since it is larger than the sum of its proper divisors (1).

641441299 is an equidigital number, since it uses as much as digits as its factorization.

641441299 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 40.

The square root of 641441299 is about 25326.6914341372. The cubic root of 641441299 is about 862.4203044476.

The spelling of 641441299 in words is "six hundred forty-one million, four hundred forty-one thousand, two hundred ninety-nine".