8415775149 has 16 divisors (see below), whose sum is σ = 11882990592. Its totient is φ = 5279643648.

The previous prime is 8415775139. The next prime is 8415775153. The reversal of 8415775149 is 9415775148.

8415775149 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8415775149 - 2⁵ = 8415775117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8415775139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 515892 + ... + 531954.

It is an arithmetic number, because the mean of its divisors is an integer number (742686912).

Almost surely, 2^8415775149 is an apocalyptic number.

It is an amenable number.

8415775149 is a deficient number, since it is larger than the sum of its proper divisors (3467215443).

8415775149 is a wasteful number, since it uses less digits than its factorization.

8415775149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26356.

The product of its digits is 1411200, while the sum is 51.

The square root of 8415775149 is about 91737.5340250652. The cubic root of 8415775149 is about 2034.0644419870.

Subtracting 8415775149 from its reverse (9415775148), we obtain a palindrome (999999999).

The spelling of 8415775149 in words is "eight billion, four hundred fifteen million, seven hundred seventy-five thousand, one hundred forty-nine".