5601895021 has 4 divisors (see below), whose sum is σ = 5782601344. Its totient is φ = 5421188700.

The previous prime is 5601895009. The next prime is 5601895073. The reversal of 5601895021 is 1205981065.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5601895021 - 2⁵ = 5601894989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5601895121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90353115 + ... + 90353176.

It is an arithmetic number, because the mean of its divisors is an integer number (1445650336).

Almost surely, 2^5601895021 is an apocalyptic number.

It is an amenable number.

5601895021 is a deficient number, since it is larger than the sum of its proper divisors (180706323).

5601895021 is a wasteful number, since it uses less digits than its factorization.

5601895021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180706322.

The product of its (nonzero) digits is 21600, while the sum is 37.

The square root of 5601895021 is about 74845.8083061436. The cubic root of 5601895021 is about 1776.0082900292.

The spelling of 5601895021 in words is "five billion, six hundred one million, eight hundred ninety-five thousand, twenty-one".