33545151091 has 2 divisors, whose sum is σ = 33545151092. Its totient is φ = 33545151090.

The previous prime is 33545151083. The next prime is 33545151139. The reversal of 33545151091 is 19015154533.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 33545151091 - 2³ = 33545151083 is a prime.

It is a super-2 number, since 2×33545151091² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33545151091.

It is not a weakly prime, because it can be changed into another prime (33545151071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16772575545 + 16772575546.

It is an arithmetic number, because the mean of its divisors is an integer number (16772575546).

Almost surely, 2^33545151091 is an apocalyptic number.

33545151091 is a deficient number, since it is larger than the sum of its proper divisors (1).

33545151091 is an equidigital number, since it uses as much as digits as its factorization.

33545151091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40500, while the sum is 37.

The spelling of 33545151091 in words is "thirty-three billion, five hundred forty-five million, one hundred fifty-one thousand, ninety-one".