3642704647 has 2 divisors, whose sum is σ = 3642704648. Its totient is φ = 3642704646.

The previous prime is 3642704617. The next prime is 3642704669. The reversal of 3642704647 is 7464072463.

3642704647 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3642704647 - 2¹¹ = 3642702599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3642704617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1821352323 + 1821352324.

It is an arithmetic number, because the mean of its divisors is an integer number (1821352324).

Almost surely, 2^3642704647 is an apocalyptic number.

3642704647 is a deficient number, since it is larger than the sum of its proper divisors (1).

3642704647 is an equidigital number, since it uses as much as digits as its factorization.

3642704647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 677376, while the sum is 43.

The square root of 3642704647 is about 60354.8228975945. The cubic root of 3642704647 is about 1538.6552390379.

The spelling of 3642704647 in words is "three billion, six hundred forty-two million, seven hundred four thousand, six hundred forty-seven".