33453589945 has 8 divisors (see below), whose sum is σ = 40182150600. Its totient is φ = 26737643520.

The previous prime is 33453589931. The next prime is 33453589969. The reversal of 33453589945 is 54998535433.

It can be written as a sum of positive squares in 4 ways, for example, as 1325178409 + 32128411536 = 36403^2 + 179244^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 33453589945 - 2¹¹ = 33453587897 is a prime.

It is a super-2 number, since 2×33453589945² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33453589945.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3147720 + ... + 3158329.

It is an arithmetic number, because the mean of its divisors is an integer number (5022768825).

Almost surely, 2^33453589945 is an apocalyptic number.

It is an amenable number.

33453589945 is a deficient number, since it is larger than the sum of its proper divisors (6728560655).

33453589945 is a wasteful number, since it uses less digits than its factorization.

33453589945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6307115.

The product of its digits is 34992000, while the sum is 58.

The spelling of 33453589945 in words is "thirty-three billion, four hundred fifty-three million, five hundred eighty-nine thousand, nine hundred forty-five".