5643674929 has 2 divisors, whose sum is σ = 5643674930. Its totient is φ = 5643674928.

The previous prime is 5643674903. The next prime is 5643674941. The reversal of 5643674929 is 9294763465.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5528219904 + 115455025 = 74352^2 + 10745^2 .

It is a cyclic number.

It is not a de Polignac number, because 5643674929 - 2⁷ = 5643674801 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5643674929.

It is not a weakly prime, because it can be changed into another prime (5643674989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2821837464 + 2821837465.

It is an arithmetic number, because the mean of its divisors is an integer number (2821837465).

Almost surely, 2^5643674929 is an apocalyptic number.

It is an amenable number.

5643674929 is a deficient number, since it is larger than the sum of its proper divisors (1).

5643674929 is an equidigital number, since it uses as much as digits as its factorization.

5643674929 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9797760, while the sum is 55.

The square root of 5643674929 is about 75124.3963636314. The cubic root of 5643674929 is about 1780.4126183325.

The spelling of 5643674929 in words is "five billion, six hundred forty-three million, six hundred seventy-four thousand, nine hundred twenty-nine".