2641563582 has 64 divisors (see below), whose sum is σ = 6120576000. Its totient is φ = 744466176.

The previous prime is 2641563569. The next prime is 2641563583. The reversal of 2641563582 is 2853651462.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2641563583) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 959544 + ... + 962292.

It is an arithmetic number, because the mean of its divisors is an integer number (95634000).

Almost surely, 2^2641563582 is an apocalyptic number.

2641563582 is an abundant number, since it is smaller than the sum of its proper divisors (3479012418).

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

2641563582 is a wasteful number, since it uses less digits than its factorization.

2641563582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3065.

The product of its digits is 345600, while the sum is 42.

The square root of 2641563582 is about 51396.1436491105. The cubic root of 2641563582 is about 1382.3574460257.

The spelling of 2641563582 in words is "two billion, six hundred forty-one million, five hundred sixty-three thousand, five hundred eighty-two".