5603233706621 has 4 divisors (see below), whose sum is σ = 5603243482044. Its totient is φ = 5603223931200.

The previous prime is 5603233706611. The next prime is 5603233706683. The reversal of 5603233706621 is 1266073323065.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5247815037721 + 355418668900 = 2290811^2 + 596170^2 .

It is a cyclic number.

It is not a de Polignac number, because 5603233706621 - 2³⁸ = 5328355799677 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 (5603233706611) 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, 3970550 + ... + 5193431.

It is an arithmetic number, because the mean of its divisors is an integer number (1400810870511).

Almost surely, 2^{5603233706621} is an apocalyptic number.

It is an amenable number.

5603233706621 is a deficient number, since it is larger than the sum of its proper divisors (9775423).

5603233706621 is an equidigital number, since it uses as much as digits as its factorization.

5603233706621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9775422.

The product of its (nonzero) digits is 816480, while the sum is 44.

The spelling of 5603233706621 in words is "five trillion, six hundred three billion, two hundred thirty-three million, seven hundred six thousand, six hundred twenty-one".