4640221007 has 2 divisors, whose sum is σ = 4640221008. Its totient is φ = 4640221006.

The previous prime is 4640220899. The next prime is 4640221049. The reversal of 4640221007 is 7001220464.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4640221007 - 2²⁴ = 4623443791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4640221307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2320110503 + 2320110504.

It is an arithmetic number, because the mean of its divisors is an integer number (2320110504).

Almost surely, 2^4640221007 is an apocalyptic number.

4640221007 is a deficient number, since it is larger than the sum of its proper divisors (1).

4640221007 is an equidigital number, since it uses as much as digits as its factorization.

4640221007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 4640221007 is about 68119.1676916270. The cubic root of 4640221007 is about 1667.9366639694.

The spelling of 4640221007 in words is "four billion, six hundred forty million, two hundred twenty-one thousand, seven".