5642657205 has 8 divisors (see below), whose sum is σ = 9028251552. Its totient is φ = 3009417168.

The previous prime is 5642657191. The next prime is 5642657257. The reversal of 5642657205 is 5027562465.

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

It is not a de Polignac number, because 5642657205 - 2¹⁵ = 5642624437 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188088559 + ... + 188088588.

It is an arithmetic number, because the mean of its divisors is an integer number (1128531444).

Almost surely, 2^5642657205 is an apocalyptic number.

It is an amenable number.

5642657205 is a deficient number, since it is larger than the sum of its proper divisors (3385594347).

5642657205 is a wasteful number, since it uses less digits than its factorization.

5642657205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376177155.

The product of its (nonzero) digits is 504000, while the sum is 42.

The square root of 5642657205 is about 75117.6224663694. The cubic root of 5642657205 is about 1780.3055912858.

The spelling of 5642657205 in words is "five billion, six hundred forty-two million, six hundred fifty-seven thousand, two hundred five".