5631670043 has 2 divisors, whose sum is σ = 5631670044. Its totient is φ = 5631670042.

The previous prime is 5631670021. The next prime is 5631670069. The reversal of 5631670043 is 3400761365.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5631670043 - 2²² = 5627475739 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5631669985 and 5631670012.

It is not a weakly prime, because it can be changed into another prime (5631670843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2815835021 + 2815835022.

It is an arithmetic number, because the mean of its divisors is an integer number (2815835022).

Almost surely, 2^5631670043 is an apocalyptic number.

5631670043 is a deficient number, since it is larger than the sum of its proper divisors (1).

5631670043 is an equidigital number, since it uses as much as digits as its factorization.

5631670043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 5631670043 is about 75044.4537790768. The cubic root of 5631670043 is about 1779.1493266160.

The spelling of 5631670043 in words is "five billion, six hundred thirty-one million, six hundred seventy thousand, forty-three".