33829375772018 has 54 divisors (see below), whose sum is σ = 52487132487111. Its totient is φ = 16352808503616.

The previous prime is 33829375772011. The next prime is 33829375772077. The reversal of 33829375772018 is 81027757392833.

It can be written as a sum of positive squares in 5 ways, for example, as 26371850434609 + 7457525337409 = 5135353^2 + 2730847^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=4112747.

It is a super-2 number, since 2×33829375772018² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (33829375772011) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 31824435755 + ... + 31824436817.

Almost surely, 2^{33829375772018} is an apocalyptic number.

33829375772018 is a deficient number, since it is larger than the sum of its proper divisors (18657756715093).

33829375772018 is an frugal number, since it uses more digits than its factorization.

33829375772018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2380 (or 1191 counting only the distinct ones).

The product of its (nonzero) digits is 106686720, while the sum is 65.

The spelling of 33829375772018 in words is "thirty-three trillion, eight hundred twenty-nine billion, three hundred seventy-five million, seven hundred seventy-two thousand, eighteen".