3642321143 has 2 divisors, whose sum is σ = 3642321144. Its totient is φ = 3642321142.

The previous prime is 3642321139. The next prime is 3642321167. The reversal of 3642321143 is 3411232463.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3642321143 - 2² = 3642321139 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3642321643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1821160571 + 1821160572.

It is an arithmetic number, because the mean of its divisors is an integer number (1821160572).

Almost surely, 2^3642321143 is an apocalyptic number.

3642321143 is a deficient number, since it is larger than the sum of its proper divisors (1).

3642321143 is an equidigital number, since it uses as much as digits as its factorization.

3642321143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 29.

The square root of 3642321143 is about 60351.6457356384. The cubic root of 3642321143 is about 1538.6012405940.

The spelling of 3642321143 in words is "three billion, six hundred forty-two million, three hundred twenty-one thousand, one hundred forty-three".