2149826886 has 32 divisors (see below), whose sum is σ = 4806721920. Its totient is φ = 712209672.

The previous prime is 2149826831. The next prime is 2149826893. The reversal of 2149826886 is 6886289412.

2149826886 is a `hidden beast` number, since 214 + 98 + 268 + 86 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113320 + ... + 130923.

It is an arithmetic number, because the mean of its divisors is an integer number (150210060).

Almost surely, 2^2149826886 is an apocalyptic number.

2149826886 is an abundant number, since it is smaller than the sum of its proper divisors (2656895034).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2149826886 is a wasteful number, since it uses less digits than its factorization.

2149826886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244417 (or 244411 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 54.

The square root of 2149826886 is about 46366.2257036304. The cubic root of 2149826886 is about 1290.6282391530.

It can be divided in two parts, 21498 and 26886, that added together give a palindrome (48384).

The spelling of 2149826886 in words is "two billion, one hundred forty-nine million, eight hundred twenty-six thousand, eight hundred eighty-six".