33605545772 has 6 divisors (see below), whose sum is σ = 58809705108. Its totient is φ = 16802772884.

The previous prime is 33605545759. The next prime is 33605545777. The reversal of 33605545772 is 27754550633.

It is a super-2 number, since 2×33605545772² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33605545777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4200693218 + ... + 4200693225.

It is an arithmetic number, because the mean of its divisors is an integer number (9801617518).

Almost surely, 2^33605545772 is an apocalyptic number.

It is an amenable number.

33605545772 is a deficient number, since it is larger than the sum of its proper divisors (25204159336).

33605545772 is a wasteful number, since it uses less digits than its factorization.

33605545772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8401386447 (or 8401386445 counting only the distinct ones).

The product of its (nonzero) digits is 2646000, while the sum is 47.

The spelling of 33605545772 in words is "thirty-three billion, six hundred five million, five hundred forty-five thousand, seven hundred seventy-two".