3620255647 has 2 divisors, whose sum is σ = 3620255648. Its totient is φ = 3620255646.

The previous prime is 3620255641. The next prime is 3620255651. The reversal of 3620255647 is 7465520263.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3620255647 - 2¹⁹ = 3619731359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3620255641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1810127823 + 1810127824.

It is an arithmetic number, because the mean of its divisors is an integer number (1810127824).

Almost surely, 2^3620255647 is an apocalyptic number.

3620255647 is a deficient number, since it is larger than the sum of its proper divisors (1).

3620255647 is an equidigital number, since it uses as much as digits as its factorization.

3620255647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 302400, while the sum is 40.

The square root of 3620255647 is about 60168.5602869140. The cubic root of 3620255647 is about 1535.4879521898.

The spelling of 3620255647 in words is "three billion, six hundred twenty million, two hundred fifty-five thousand, six hundred forty-seven".