2169826090 has 32 divisors (see below), whose sum is σ = 4046086656. Its totient is φ = 836930880.

The previous prime is 2169826037. The next prime is 2169826103. The reversal of 2169826090 is 906289612.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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, 75364 + ... + 100096.

It is an arithmetic number, because the mean of its divisors is an integer number (126440208).

Almost surely, 2^2169826090 is an apocalyptic number.

2169826090 is a deficient number, since it is larger than the sum of its proper divisors (1876260566).

2169826090 is a wasteful number, since it uses less digits than its factorization.

2169826090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25054.

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 2169826090 is about 46581.3921002797. The cubic root of 2169826090 is about 1294.6180037372.

The spelling of 2169826090 in words is "two billion, one hundred sixty-nine million, eight hundred twenty-six thousand, ninety".