4420090819 has 2 divisors, whose sum is σ = 4420090820. Its totient is φ = 4420090818.

The previous prime is 4420090799. The next prime is 4420090847. The reversal of 4420090819 is 9180900244.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4420090819 - 2²¹ = 4417993667 is a prime.

It is a super-2 number, since 2×4420090819² = 39074405696416181522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4420090879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2210045409 + 2210045410.

It is an arithmetic number, because the mean of its divisors is an integer number (2210045410).

Almost surely, 2^4420090819 is an apocalyptic number.

4420090819 is a deficient number, since it is larger than the sum of its proper divisors (1).

4420090819 is an equidigital number, since it uses as much as digits as its factorization.

4420090819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 4420090819 is about 66483.7635742743. The cubic root of 4420090819 is about 1641.1328207162.

The spelling of 4420090819 in words is "four billion, four hundred twenty million, ninety thousand, eight hundred nineteen".