2989461623 has 2 divisors, whose sum is σ = 2989461624. Its totient is φ = 2989461622.

The previous prime is 2989461613. The next prime is 2989461647. The reversal of 2989461623 is 3261649892.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2989461623 - 2²⁰ = 2988413047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2989461613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1494730811 + 1494730812.

It is an arithmetic number, because the mean of its divisors is an integer number (1494730812).

Almost surely, 2^2989461623 is an apocalyptic number.

2989461623 is a deficient number, since it is larger than the sum of its proper divisors (1).

2989461623 is an equidigital number, since it uses as much as digits as its factorization.

2989461623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1119744, while the sum is 50.

The square root of 2989461623 is about 54675.9693375435. The cubic root of 2989461623 is about 1440.5588145902.

The spelling of 2989461623 in words is "two billion, nine hundred eighty-nine million, four hundred sixty-one thousand, six hundred twenty-three".