33497133497 has 4 divisors (see below), whose sum is σ = 33508675200. Its totient is φ = 33485591796.

The previous prime is 33497133491. The next prime is 33497133541. The reversal of 33497133497 is 79433179433.

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 not a de Polignac number, because 33497133497 - 2²⁴ = 33480356281 is a prime.

It is a super-2 number, since 2×33497133497² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33497133491) 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, 5766497 + ... + 5772302.

It is an arithmetic number, because the mean of its divisors is an integer number (8377168800).

Almost surely, 2^33497133497 is an apocalyptic number.

It is an amenable number.

33497133497 is a deficient number, since it is larger than the sum of its proper divisors (11541703).

33497133497 is a wasteful number, since it uses less digits than its factorization.

33497133497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11541702.

The product of its digits is 5143824, while the sum is 53.

The spelling of 33497133497 in words is "thirty-three billion, four hundred ninety-seven million, one hundred thirty-three thousand, four hundred ninety-seven".