2388866149 has 4 divisors (see below), whose sum is σ = 2388992940. Its totient is φ = 2388739360.

The previous prime is 2388866147. The next prime is 2388866171. The reversal of 2388866149 is 9416688832.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1355565124 + 1033301025 = 36818^2 + 32145^2 .

It is a cyclic number.

It is not a de Polignac number, because 2388866149 - 2¹ = 2388866147 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2388866149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2388866147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28864 + ... + 74905.

It is an arithmetic number, because the mean of its divisors is an integer number (597248235).

Almost surely, 2^2388866149 is an apocalyptic number.

It is an amenable number.

2388866149 is a deficient number, since it is larger than the sum of its proper divisors (126791).

2388866149 is a wasteful number, since it uses less digits than its factorization.

2388866149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126790.

The product of its digits is 3981312, while the sum is 55.

The square root of 2388866149 is about 48876.0283676978. The cubic root of 2388866149 is about 1336.7923106735.

The spelling of 2388866149 in words is "two billion, three hundred eighty-eight million, eight hundred sixty-six thousand, one hundred forty-nine".