968589511 has 2 divisors, whose sum is σ = 968589512. Its totient is φ = 968589510.

The previous prime is 968589509. The next prime is 968589529. The reversal of 968589511 is 115985869.

It is a weak prime.

It is an emirp because it is prime and its reverse (115985869) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 968589511 - 2¹ = 968589509 is a prime.

Together with 968589509, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (968589541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 484294755 + 484294756.

It is an arithmetic number, because the mean of its divisors is an integer number (484294756).

Almost surely, 2^968589511 is an apocalyptic number.

968589511 is the 16636-th centered heptagonal number.

968589511 is a deficient number, since it is larger than the sum of its proper divisors (1).

968589511 is an equidigital number, since it uses as much as digits as its factorization.

968589511 is an evil number, because the sum of its binary digits is even.

The product of its digits is 777600, while the sum is 52.

The square root of 968589511 is about 31122.1707308472. The cubic root of 968589511 is about 989.4182587086.

The spelling of 968589511 in words is "nine hundred sixty-eight million, five hundred eighty-nine thousand, five hundred eleven".