2712447989 has 2 divisors, whose sum is σ = 2712447990. Its totient is φ = 2712447988.

The previous prime is 2712447953. The next prime is 2712448027. The reversal of 2712447989 is 9897442172.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2516727889 + 195720100 = 50167^2 + 13990^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2712447989 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2712447989.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2712447949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1356223994 + 1356223995.

It is an arithmetic number, because the mean of its divisors is an integer number (1356223995).

Almost surely, 2^2712447989 is an apocalyptic number.

It is an amenable number.

2712447989 is a deficient number, since it is larger than the sum of its proper divisors (1).

2712447989 is an equidigital number, since it uses as much as digits as its factorization.

2712447989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2032128, while the sum is 53.

The square root of 2712447989 is about 52081.1673160270. The cubic root of 2712447989 is about 1394.6133123137.

The spelling of 2712447989 in words is "two billion, seven hundred twelve million, four hundred forty-seven thousand, nine hundred eighty-nine".