4619840161 has 2 divisors, whose sum is σ = 4619840162. Its totient is φ = 4619840160.

The previous prime is 4619840153. The next prime is 4619840171. The reversal of 4619840161 is 1610489164.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3356464225 + 1263375936 = 57935^2 + 35544^2 .

It is a cyclic number.

It is not a de Polignac number, because 4619840161 - 2³ = 4619840153 is a prime.

It is a super-2 number, since 2×4619840161² = 42685846226377011842, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4619840111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2309920080 + 2309920081.

It is an arithmetic number, because the mean of its divisors is an integer number (2309920081).

Almost surely, 2^4619840161 is an apocalyptic number.

It is an amenable number.

4619840161 is a deficient number, since it is larger than the sum of its proper divisors (1).

4619840161 is an equidigital number, since it uses as much as digits as its factorization.

4619840161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 4619840161 is about 67969.4060662590. The cubic root of 4619840161 is about 1665.4911014539.

The spelling of 4619840161 in words is "four billion, six hundred nineteen million, eight hundred forty thousand, one hundred sixty-one".