4612649189 has 2 divisors, whose sum is σ = 4612649190. Its totient is φ = 4612649188.

The previous prime is 4612649161. The next prime is 4612649213. The reversal of 4612649189 is 9819462164.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4534944964 + 77704225 = 67342^2 + 8815^2 .

It is a cyclic number.

It is not a de Polignac number, because 4612649189 - 2²⁰ = 4611600613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4612649159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2306324594 + 2306324595.

It is an arithmetic number, because the mean of its divisors is an integer number (2306324595).

Almost surely, 2^4612649189 is an apocalyptic number.

It is an amenable number.

4612649189 is a deficient number, since it is larger than the sum of its proper divisors (1).

4612649189 is an equidigital number, since it uses as much as digits as its factorization.

4612649189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 746496, while the sum is 50.

The square root of 4612649189 is about 67916.4868717457. The cubic root of 4612649189 is about 1664.6265174849.

The spelling of 4612649189 in words is "four billion, six hundred twelve million, six hundred forty-nine thousand, one hundred eighty-nine".