641463356354 has 8 divisors (see below), whose sum is σ = 993233584128. Its totient is φ = 310385494980.

The previous prime is 641463356351. The next prime is 641463356399. The reversal of 641463356354 is 453653364146.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×641463356354² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (641463356351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5173091522 + ... + 5173091645.

It is an arithmetic number, because the mean of its divisors is an integer number (124154198016).

Almost surely, 2^641463356354 is an apocalyptic number.

641463356354 is a deficient number, since it is larger than the sum of its proper divisors (351770227774).

641463356354 is a wasteful number, since it uses less digits than its factorization.

641463356354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10346183200.

The product of its digits is 9331200, while the sum is 50.

The spelling of 641463356354 in words is "six hundred forty-one billion, four hundred sixty-three million, three hundred fifty-six thousand, three hundred fifty-four".