641353803292799 has 2 divisors, whose sum is σ = 641353803292800. Its totient is φ = 641353803292798.

The previous prime is 641353803292739. The next prime is 641353803292801. The reversal of 641353803292799 is 997292308353146.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 641353803292799 - 2²⁴ = 641353786515583 is a prime.

It is a super-2 number, since 2×641353803292799² (a number of 30 digits) contains 22 as substring.

Together with 641353803292801, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (641353803292739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 320676901646399 + 320676901646400.

It is an arithmetic number, because the mean of its divisors is an integer number (320676901646400).

It is a 1-persistent number, because it is pandigital, but 2⋅641353803292799 = 1282707606585598 is not.

Almost surely, 2^{641353803292799} is an apocalyptic number.

641353803292799 is a deficient number, since it is larger than the sum of its proper divisors (1).

641353803292799 is an equidigital number, since it uses as much as digits as its factorization.

641353803292799 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 529079040, while the sum is 71.

The spelling of 641353803292799 in words is "six hundred forty-one trillion, three hundred fifty-three billion, eight hundred three million, two hundred ninety-two thousand, seven hundred ninety-nine".