641615413213000 has 32 divisors (see below), whose sum is σ = 1501380066920760. Its totient is φ = 256646165284800.

The previous prime is 641615413212971. The next prime is 641615413213003. The reversal of 641615413213000 is 312314516146.

It can be written as a sum of positive squares in 4 ways, for example, as 69675848006436 + 571939565206564 = 8347206^2 + 23915258^2 .

It is not an unprimeable number, because it can be changed into a prime (641615413213003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 320807705607 + ... + 320807707606.

Almost surely, 2^{641615413213000} is an apocalyptic number.

It is an amenable number.

641615413213000 is an abundant number, since it is smaller than the sum of its proper divisors (859764653707760).

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

641615413213000 is a wasteful number, since it uses less digits than its factorization.

641615413213000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641615413234 (or 641615413220 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

Adding to 641615413213000 its reverse (312314516146), we get a palindrome (641927727729146).

The spelling of 641615413213000 in words is "six hundred forty-one trillion, six hundred fifteen billion, four hundred thirteen million, two hundred thirteen thousand".