5643136340 has 12 divisors (see below), whose sum is σ = 11850586356. Its totient is φ = 2257254528.

The previous prime is 5643136339. The next prime is 5643136391. The reversal of 5643136340 is 436313465.

It can be written as a sum of positive squares in 2 ways, for example, as 3479584144 + 2163552196 = 58988^2 + 46514^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 5643136340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141078389 + ... + 141078428.

It is an arithmetic number, because the mean of its divisors is an integer number (987548863).

Almost surely, 2^5643136340 is an apocalyptic number.

It is an amenable number.

5643136340 is an abundant number, since it is smaller than the sum of its proper divisors (6207450016).

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

5643136340 is a wasteful number, since it uses less digits than its factorization.

5643136340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282156826 (or 282156824 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 35.

The square root of 5643136340 is about 75120.8116303332. The cubic root of 5643136340 is about 1780.3559802276.

The spelling of 5643136340 in words is "five billion, six hundred forty-three million, one hundred thirty-six thousand, three hundred forty".