33090156649 has 27 divisors (see below), whose sum is σ = 38074919869. Its totient is φ = 28734029720.

The previous prime is 33090156647. The next prime is 33090156709. The reversal of 33090156649 is 94665109033.

The square root of 33090156649 is 181907.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 33090156649 - 2¹ = 33090156647 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33090156599 and 33090156608.

It is not an unprimeable number, because it can be changed into a prime (33090156647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 46022112 + ... + 46022830.

Almost surely, 2^33090156649 is an apocalyptic number.

33090156649 is the 181907-th square number.

33090156649 is the 90954-th centered octagonal number.

It is an amenable number.

33090156649 is a deficient number, since it is larger than the sum of its proper divisors (4984763220).

33090156649 is an frugal number, since it uses more digits than its factorization.

33090156649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1506 (or 753 counting only the distinct ones).

The product of its (nonzero) digits is 524880, while the sum is 46.

The spelling of 33090156649 in words is "thirty-three billion, ninety million, one hundred fifty-six thousand, six hundred forty-nine".