33606391090 has 16 divisors (see below), whose sum is σ = 60499661400. Its totient is φ = 13440743680.

The previous prime is 33606391081. The next prime is 33606391099. The reversal of 33606391090 is 9019360633.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (33606391081) and next prime (33606391099).

It can be written as a sum of positive squares in 4 ways, for example, as 22269891361 + 11336499729 = 149231^2 + 106473^2 .

It is a super-2 number, since 2×33606391090² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33606391099) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147415 + ... + 298234.

Almost surely, 2^33606391090 is an apocalyptic number.

33606391090 is a deficient number, since it is larger than the sum of its proper divisors (26893270310).

33606391090 is a wasteful number, since it uses less digits than its factorization.

33606391090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453197.

The product of its (nonzero) digits is 78732, while the sum is 40.

The spelling of 33606391090 in words is "thirty-three billion, six hundred six million, three hundred ninety-one thousand, ninety".