33073586381 has 16 divisors (see below), whose sum is σ = 37262514240. Its totient is φ = 29090782080.

The previous prime is 33073586347. The next prime is 33073586383. The reversal of 33073586381 is 18368537033.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33073586381 is a prime.

It is a super-2 number, since 2×33073586381² (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 (33073586383) 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, 154136 + ... + 299841.

It is an arithmetic number, because the mean of its divisors is an integer number (2328907140).

Almost surely, 2^33073586381 is an apocalyptic number.

It is an amenable number.

33073586381 is a deficient number, since it is larger than the sum of its proper divisors (4188927859).

33073586381 is a wasteful number, since it uses less digits than its factorization.

33073586381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454204.

The product of its (nonzero) digits is 1088640, while the sum is 47.

The spelling of 33073586381 in words is "thirty-three billion, seventy-three million, five hundred eighty-six thousand, three hundred eighty-one".