33481989258447 has 4 divisors (see below), whose sum is σ = 44642652344600. Its totient is φ = 22321326172296.

The previous prime is 33481989258401. The next prime is 33481989258463. The reversal of 33481989258447 is 74485298918433.

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

It is not a de Polignac number, because 33481989258447 - 2¹¹ = 33481989256399 is a prime.

It is a super-2 number, since 2×33481989258447² (a number of 28 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 (33481989258247) 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, 5580331543072 + ... + 5580331543077.

It is an arithmetic number, because the mean of its divisors is an integer number (11160663086150).

Almost surely, 2^{33481989258447} is an apocalyptic number.

33481989258447 is a deficient number, since it is larger than the sum of its proper divisors (11160663086153).

33481989258447 is a wasteful number, since it uses less digits than its factorization.

33481989258447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11160663086152.

The product of its digits is 1672151040, while the sum is 75.

The spelling of 33481989258447 in words is "thirty-three trillion, four hundred eighty-one billion, nine hundred eighty-nine million, two hundred fifty-eight thousand, four hundred forty-seven".