33669352013649 has 16 divisors (see below), whose sum is σ = 48973704277440. Its totient is φ = 20405625658560.

The previous prime is 33669352013621. The next prime is 33669352013681. The reversal of 33669352013649 is 94631025396633.

It is not a de Polignac number, because 33669352013649 - 2⁹ = 33669352013137 is a prime.

It is a super-2 number, since 2×33669352013649² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33669352013592 and 33669352013601.

It is not an unprimeable number, because it can be changed into a prime (33669352033649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24026307 + ... + 25389015.

It is an arithmetic number, because the mean of its divisors is an integer number (3060856517340).

Almost surely, 2^{33669352013649} is an apocalyptic number.

It is an amenable number.

33669352013649 is a deficient number, since it is larger than the sum of its proper divisors (15304352263791).

33669352013649 is a wasteful number, since it uses less digits than its factorization.

33669352013649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2111440.

The product of its (nonzero) digits is 56687040, while the sum is 60.

The spelling of 33669352013649 in words is "thirty-three trillion, six hundred sixty-nine billion, three hundred fifty-two million, thirteen thousand, six hundred forty-nine".