4120621019 has 2 divisors, whose sum is σ = 4120621020. Its totient is φ = 4120621018.

The previous prime is 4120621009. The next prime is 4120621093. The reversal of 4120621019 is 9101260214.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4120621019 - 2⁴ = 4120621003 is a prime.

It is a super-2 number, since 2×4120621019² = 33959035164449196722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4120621009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2060310509 + 2060310510.

It is an arithmetic number, because the mean of its divisors is an integer number (2060310510).

Almost surely, 2^4120621019 is an apocalyptic number.

4120621019 is a deficient number, since it is larger than the sum of its proper divisors (1).

4120621019 is an equidigital number, since it uses as much as digits as its factorization.

4120621019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 4120621019 is about 64192.0635203449. The cubic root of 4120621019 is about 1603.1994597453.

The spelling of 4120621019 in words is "four billion, one hundred twenty million, six hundred twenty-one thousand, nineteen".