4619861819 has 2 divisors, whose sum is σ = 4619861820. Its totient is φ = 4619861818.

The previous prime is 4619861767. The next prime is 4619861833. The reversal of 4619861819 is 9181689164.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4619861819 - 2²⁸ = 4351426363 is a prime.

It is a super-2 number, since 2×4619861819² = 42686246453307977522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4619861839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2309930909 + 2309930910.

It is an arithmetic number, because the mean of its divisors is an integer number (2309930910).

Almost surely, 2^4619861819 is an apocalyptic number.

4619861819 is a deficient number, since it is larger than the sum of its proper divisors (1).

4619861819 is an equidigital number, since it uses as much as digits as its factorization.

4619861819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 746496, while the sum is 53.

The square root of 4619861819 is about 67969.5653877528. The cubic root of 4619861819 is about 1665.4937040800.

The spelling of 4619861819 in words is "four billion, six hundred nineteen million, eight hundred sixty-one thousand, eight hundred nineteen".