641353046351 has 4 divisors (see below), whose sum is σ = 641354675304. Its totient is φ = 641351417400.

The previous prime is 641353046333. The next prime is 641353046363. The reversal of 641353046351 is 153640353146.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 641353046351 - 2³⁰ = 640279304527 is a prime.

It is a super-2 number, since 2×641353046351² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 641353046299 and 641353046308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641353046051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184661 + ... + 1147521.

It is an arithmetic number, because the mean of its divisors is an integer number (160338668826).

Almost surely, 2^641353046351 is an apocalyptic number.

641353046351 is a deficient number, since it is larger than the sum of its proper divisors (1628953).

641353046351 is an equidigital number, since it uses as much as digits as its factorization.

641353046351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1628952.

The product of its (nonzero) digits is 388800, while the sum is 41.

Adding to 641353046351 its reverse (153640353146), we get a palindrome (794993399497).

The spelling of 641353046351 in words is "six hundred forty-one billion, three hundred fifty-three million, forty-six thousand, three hundred fifty-one".