2109669633 has 6 divisors (see below), whose sum is σ = 3047300594. Its totient is φ = 1406446416.

The previous prime is 2109669631. The next prime is 2109669649. The reversal of 2109669633 is 3369669012.

It is a happy number.

2109669633 is a `hidden beast` number, since 2 + 1 + 0 + 9 + 6 + 6 + 9 + 633 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2064066624 + 45603009 = 45432^2 + 6753^2 .

It is not a de Polignac number, because 2109669633 - 2¹ = 2109669631 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2109669631) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 117203860 + ... + 117203877.

Almost surely, 2^2109669633 is an apocalyptic number.

It is an amenable number.

2109669633 is a deficient number, since it is larger than the sum of its proper divisors (937630961).

2109669633 is a wasteful number, since it uses less digits than its factorization.

2109669633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234407743 (or 234407740 counting only the distinct ones).

The product of its (nonzero) digits is 314928, while the sum is 45.

The square root of 2109669633 is about 45931.1401230146. The cubic root of 2109669633 is about 1282.5416686757.

The spelling of 2109669633 in words is "two billion, one hundred nine million, six hundred sixty-nine thousand, six hundred thirty-three".