5636641534 has 4 divisors (see below), whose sum is σ = 8454962304. Its totient is φ = 2818320766.

The previous prime is 5636641471. The next prime is 5636641537. The reversal of 5636641534 is 4351466365.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5636641537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1409160382 + ... + 1409160385.

It is an arithmetic number, because the mean of its divisors is an integer number (2113740576).

Almost surely, 2^5636641534 is an apocalyptic number.

5636641534 is a deficient number, since it is larger than the sum of its proper divisors (2818320770).

5636641534 is a wasteful number, since it uses less digits than its factorization.

5636641534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2818320769.

The product of its digits is 777600, while the sum is 43.

The square root of 5636641534 is about 75077.5701125176. The cubic root of 5636641534 is about 1779.6727014677.

The spelling of 5636641534 in words is "five billion, six hundred thirty-six million, six hundred forty-one thousand, five hundred thirty-four".