33048899681 has 4 divisors (see below), whose sum is σ = 37770171072. Its totient is φ = 28327628292.

The previous prime is 33048899671. The next prime is 33048899711. The reversal of 33048899681 is 18699884033.

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 33048899681 - 2²² = 33044705377 is a prime.

It is a super-2 number, since 2×33048899681² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 33048899681.

It is not an unprimeable number, because it can be changed into a prime (33048899621) 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, 2360635685 + ... + 2360635698.

It is an arithmetic number, because the mean of its divisors is an integer number (9442542768).

Almost surely, 2^33048899681 is an apocalyptic number.

It is an amenable number.

33048899681 is a deficient number, since it is larger than the sum of its proper divisors (4721271391).

33048899681 is an equidigital number, since it uses as much as digits as its factorization.

33048899681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4721271390.

The product of its (nonzero) digits is 8957952, while the sum is 59.

The spelling of 33048899681 in words is "thirty-three billion, forty-eight million, eight hundred ninety-nine thousand, six hundred eighty-one".