4294966639 has 2 divisors, whose sum is σ = 4294966640. Its totient is φ = 4294966638.

The previous prime is 4294966619. The next prime is 4294966651. The reversal of 4294966639 is 9366694924.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4294966639 - 2²¹ = 4292869487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4294966619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2147483319 + 2147483320.

It is an arithmetic number, because the mean of its divisors is an integer number (2147483320).

Almost surely, 2^4294966639 is an apocalyptic number.

4294966639 is a deficient number, since it is larger than the sum of its proper divisors (1).

4294966639 is an equidigital number, since it uses as much as digits as its factorization.

4294966639 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15116544, while the sum is 58.

The square root of 4294966639 is about 65535.9949874876. The cubic root of 4294966639 is about 1625.4985943314.

The spelling of 4294966639 in words is "four billion, two hundred ninety-four million, nine hundred sixty-six thousand, six hundred thirty-nine".