641849036682 has 32 divisors (see below), whose sum is σ = 1467256061952. Its totient is φ = 183363870384.

The previous prime is 641849036671. The next prime is 641849036683. The reversal of 641849036682 is 286630948146.

641849036682 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×641849036682² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (641849036683) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 535618 + ... + 1253229.

It is an arithmetic number, because the mean of its divisors is an integer number (45851751936).

Almost surely, 2^641849036682 is an apocalyptic number.

641849036682 is an abundant number, since it is smaller than the sum of its proper divisors (825407025270).

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

641849036682 is a wasteful number, since it uses less digits than its factorization.

641849036682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1797402.

The product of its (nonzero) digits is 11943936, while the sum is 57.

The spelling of 641849036682 in words is "six hundred forty-one billion, eight hundred forty-nine million, thirty-six thousand, six hundred eighty-two".