4072215647 has 2 divisors, whose sum is σ = 4072215648. Its totient is φ = 4072215646.

The previous prime is 4072215599. The next prime is 4072215677. The reversal of 4072215647 is 7465122704.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4072215647 - 2²² = 4068021343 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4072215647.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4072215677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2036107823 + 2036107824.

It is an arithmetic number, because the mean of its divisors is an integer number (2036107824).

Almost surely, 2^4072215647 is an apocalyptic number.

4072215647 is a deficient number, since it is larger than the sum of its proper divisors (1).

4072215647 is an equidigital number, since it uses as much as digits as its factorization.

4072215647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 94080, while the sum is 38.

The square root of 4072215647 is about 63813.9142115573. The cubic root of 4072215647 is about 1596.8970652992.

The spelling of 4072215647 in words is "four billion, seventy-two million, two hundred fifteen thousand, six hundred forty-seven".