641401702700 has 72 divisors (see below), whose sum is σ = 1544108045760. Its totient is φ = 229283790400.

The previous prime is 641401702699. The next prime is 641401702703. The reversal of 641401702700 is 7207104146.

It is a super-2 number, since 2×641401702700² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (641401702703) 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 23 ways as a sum of consecutive naturals, for example, 4876562 + ... + 5006361.

It is an arithmetic number, because the mean of its divisors is an integer number (21445945080).

Almost surely, 2^641401702700 is an apocalyptic number.

It is an amenable number.

641401702700 is an abundant number, since it is smaller than the sum of its proper divisors (902706343060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

641401702700 is a wasteful number, since it uses less digits than its factorization.

641401702700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9883007 (or 9883000 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 32.

Adding to 641401702700 its reverse (7207104146), we get a palindrome (648608806846).

The spelling of 641401702700 in words is "six hundred forty-one billion, four hundred one million, seven hundred two thousand, seven hundred".