4256668007 has 2 divisors, whose sum is σ = 4256668008. Its totient is φ = 4256668006.

The previous prime is 4256667991. The next prime is 4256668027. The reversal of 4256668007 is 7008666524.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4256668007 - 2⁴ = 4256667991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4256668027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2128334003 + 2128334004.

It is an arithmetic number, because the mean of its divisors is an integer number (2128334004).

Almost surely, 2^4256668007 is an apocalyptic number.

4256668007 is a deficient number, since it is larger than the sum of its proper divisors (1).

4256668007 is an equidigital number, since it uses as much as digits as its factorization.

4256668007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 483840, while the sum is 44.

The square root of 4256668007 is about 65243.1452874553. The cubic root of 4256668007 is about 1620.6525856073.

The spelling of 4256668007 in words is "four billion, two hundred fifty-six million, six hundred sixty-eight thousand, seven".