2316766549 has 2 divisors, whose sum is σ = 2316766550. Its totient is φ = 2316766548.

The previous prime is 2316766547. The next prime is 2316766591. The reversal of 2316766549 is 9456676132.

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., 2163180100 + 153586449 = 46510^2 + 12393^2 .

It is a cyclic number.

It is not a de Polignac number, because 2316766549 - 2¹ = 2316766547 is a prime.

Together with 2316766547, 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 (2316766547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1158383274 + 1158383275.

It is an arithmetic number, because the mean of its divisors is an integer number (1158383275).

Almost surely, 2^2316766549 is an apocalyptic number.

It is an amenable number.

2316766549 is a deficient number, since it is larger than the sum of its proper divisors (1).

2316766549 is an equidigital number, since it uses as much as digits as its factorization.

2316766549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1632960, while the sum is 49.

The square root of 2316766549 is about 48132.8011754978. The cubic root of 2316766549 is about 1323.2058877210.

The spelling of 2316766549 in words is "two billion, three hundred sixteen million, seven hundred sixty-six thousand, five hundred forty-nine".