33973097637 has 4 divisors (see below), whose sum is σ = 45297463520. Its totient is φ = 22648731756.

The previous prime is 33973097633. The next prime is 33973097657. The reversal of 33973097637 is 73679037933.

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 not a de Polignac number, because 33973097637 - 2² = 33973097633 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33973097633) 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 3 ways as a sum of consecutive naturals, for example, 5662182937 + ... + 5662182942.

It is an arithmetic number, because the mean of its divisors is an integer number (11324365880).

Almost surely, 2^33973097637 is an apocalyptic number.

It is an amenable number.

33973097637 is a deficient number, since it is larger than the sum of its proper divisors (11324365883).

33973097637 is a wasteful number, since it uses less digits than its factorization.

33973097637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11324365882.

The product of its (nonzero) digits is 13502538, while the sum is 57.

The spelling of 33973097637 in words is "thirty-three billion, nine hundred seventy-three million, ninety-seven thousand, six hundred thirty-seven".