33132945997 has 4 divisors (see below), whose sum is σ = 34876785280. Its totient is φ = 31389106716.

The previous prime is 33132945983. The next prime is 33132946013. The reversal of 33132945997 is 79954923133.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33132945997 is a prime.

It is a super-2 number, since 2×33132945997² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33132945907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 871919613 + ... + 871919650.

It is an arithmetic number, because the mean of its divisors is an integer number (8719196320).

Almost surely, 2^33132945997 is an apocalyptic number.

It is an amenable number.

33132945997 is a deficient number, since it is larger than the sum of its proper divisors (1743839283).

33132945997 is a wasteful number, since it uses less digits than its factorization.

33132945997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1743839282.

The product of its digits is 5511240, while the sum is 55.

The spelling of 33132945997 in words is "thirty-three billion, one hundred thirty-two million, nine hundred forty-five thousand, nine hundred ninety-seven".