5637664342 has 8 divisors (see below), whose sum is σ = 8460416232. Its totient is φ = 2817525600.

The previous prime is 5637664337. The next prime is 5637664349. The reversal of 5637664342 is 2434667365.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 5637664292 and 5637664301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5637664349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 647884 + ... + 656527.

It is an arithmetic number, because the mean of its divisors is an integer number (1057552029).

Almost surely, 2^5637664342 is an apocalyptic number.

5637664342 is a deficient number, since it is larger than the sum of its proper divisors (2822751890).

5637664342 is a wasteful number, since it uses less digits than its factorization.

5637664342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1306574.

The product of its digits is 2177280, while the sum is 46.

The square root of 5637664342 is about 75084.3814784406. The cubic root of 5637664342 is about 1779.7803396406.

The spelling of 5637664342 in words is "five billion, six hundred thirty-seven million, six hundred sixty-four thousand, three hundred forty-two".