641514264999 has 8 divisors (see below), whose sum is σ = 855369572592. Its totient is φ = 427667567040.

The previous prime is 641514264983. The next prime is 641514265003. The reversal of 641514264999 is 999462415146.

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

It is not a de Polignac number, because 641514264999 - 2⁴ = 641514264983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641514264929) 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 7 ways as a sum of consecutive naturals, for example, 1976494 + ... + 2278059.

It is an arithmetic number, because the mean of its divisors is an integer number (106921196574).

Almost surely, 2^641514264999 is an apocalyptic number.

641514264999 is a deficient number, since it is larger than the sum of its proper divisors (213855307593).

641514264999 is a wasteful number, since it uses less digits than its factorization.

641514264999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4304817.

The product of its digits is 16796160, while the sum is 60.

The spelling of 641514264999 in words is "six hundred forty-one billion, five hundred fourteen million, two hundred sixty-four thousand, nine hundred ninety-nine".