4246420859 has 2 divisors, whose sum is σ = 4246420860. Its totient is φ = 4246420858.

The previous prime is 4246420811. The next prime is 4246420991. The reversal of 4246420859 is 9580246424.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4246420859 is a prime.

It is a super-2 number, since 2×4246420859² = 36064180223500595762, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4246420159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2123210429 + 2123210430.

It is an arithmetic number, because the mean of its divisors is an integer number (2123210430).

Almost surely, 2^4246420859 is an apocalyptic number.

4246420859 is a deficient number, since it is larger than the sum of its proper divisors (1).

4246420859 is an equidigital number, since it uses as much as digits as its factorization.

4246420859 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 552960, while the sum is 44.

The square root of 4246420859 is about 65164.5675118005. The cubic root of 4246420859 is about 1619.3510659773.

The spelling of 4246420859 in words is "four billion, two hundred forty-six million, four hundred twenty thousand, eight hundred fifty-nine".