3643474139 has 2 divisors, whose sum is σ = 3643474140. Its totient is φ = 3643474138.

The previous prime is 3643474129. The next prime is 3643474201. The reversal of 3643474139 is 9314743463.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3643474139 - 2⁴ = 3643474123 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3643474139.

It is not a weakly prime, because it can be changed into another prime (3643474129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1821737069 + 1821737070.

It is an arithmetic number, because the mean of its divisors is an integer number (1821737070).

Almost surely, 2^3643474139 is an apocalyptic number.

3643474139 is a deficient number, since it is larger than the sum of its proper divisors (1).

3643474139 is an equidigital number, since it uses as much as digits as its factorization.

3643474139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 653184, while the sum is 44.

The square root of 3643474139 is about 60361.1972959450. The cubic root of 3643474139 is about 1538.7635742497.

The spelling of 3643474139 in words is "three billion, six hundred forty-three million, four hundred seventy-four thousand, one hundred thirty-nine".