5681370203 has 4 divisors (see below), whose sum is σ = 5683361640. Its totient is φ = 5679378768.

The previous prime is 5681370157. The next prime is 5681370209. The reversal of 5681370203 is 3020731865.

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

It is a cyclic number.

It is not a de Polignac number, because 5681370203 - 2¹² = 5681366107 is a prime.

It is a super-2 number, since 2×5681370203² = 64555934767072522418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5681370209) 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, 991433 + ... + 997146.

It is an arithmetic number, because the mean of its divisors is an integer number (1420840410).

Almost surely, 2^5681370203 is an apocalyptic number.

5681370203 is a deficient number, since it is larger than the sum of its proper divisors (1991437).

5681370203 is a wasteful number, since it uses less digits than its factorization.

5681370203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1991436.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 5681370203 is about 75374.8645305582. The cubic root of 5681370203 is about 1784.3677405687.

The spelling of 5681370203 in words is "five billion, six hundred eighty-one million, three hundred seventy thousand, two hundred three".