33912683157 has 4 divisors (see below), whose sum is σ = 45216910880. Its totient is φ = 22608455436.

The previous prime is 33912683113. The next prime is 33912683171. The reversal of 33912683157 is 75138621933.

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 33912683157 - 2⁸ = 33912682901 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 (33912683657) 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, 5652113857 + ... + 5652113862.

It is an arithmetic number, because the mean of its divisors is an integer number (11304227720).

Almost surely, 2^33912683157 is an apocalyptic number.

It is an amenable number.

33912683157 is a deficient number, since it is larger than the sum of its proper divisors (11304227723).

33912683157 is a wasteful number, since it uses less digits than its factorization.

33912683157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11304227722.

The product of its digits is 816480, while the sum is 48.

The spelling of 33912683157 in words is "thirty-three billion, nine hundred twelve million, six hundred eighty-three thousand, one hundred fifty-seven".