33406734037 has 4 divisors (see below), whose sum is σ = 33418714860. Its totient is φ = 33394753216.

The previous prime is 33406734007. The next prime is 33406734041. The reversal of 33406734037 is 73043760433.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11632485316 + 21774248721 = 107854^2 + 147561^2 .

It is a cyclic number.

It is not a de Polignac number, because 33406734037 - 2²³ = 33398345429 is a prime.

It is a super-2 number, since 2×33406734037² (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 (33406734007) 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, 5986228 + ... + 5991805.

It is an arithmetic number, because the mean of its divisors is an integer number (8354678715).

Almost surely, 2^33406734037 is an apocalyptic number.

It is an amenable number.

33406734037 is a deficient number, since it is larger than the sum of its proper divisors (11980823).

33406734037 is a wasteful number, since it uses less digits than its factorization.

33406734037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11980822.

The product of its (nonzero) digits is 381024, while the sum is 40.

The spelling of 33406734037 in words is "thirty-three billion, four hundred six million, seven hundred thirty-four thousand, thirty-seven".