4102256647 has 2 divisors, whose sum is σ = 4102256648. Its totient is φ = 4102256646.

The previous prime is 4102256603. The next prime is 4102256659. The reversal of 4102256647 is 7466522014.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4102256647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4102256677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2051128323 + 2051128324.

It is an arithmetic number, because the mean of its divisors is an integer number (2051128324).

Almost surely, 2^4102256647 is an apocalyptic number.

4102256647 is a deficient number, since it is larger than the sum of its proper divisors (1).

4102256647 is an equidigital number, since it uses as much as digits as its factorization.

4102256647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 4102256647 is about 64048.8614028384. The cubic root of 4102256647 is about 1600.8142531277.

The spelling of 4102256647 in words is "four billion, one hundred two million, two hundred fifty-six thousand, six hundred forty-seven".