33561424245 has 16 divisors (see below), whose sum is σ = 54378005760. Its totient is φ = 17672850624.

The previous prime is 33561424219. The next prime is 33561424249. The reversal of 33561424245 is 54242416533.

It is not a de Polignac number, because 33561424245 - 2⁸ = 33561423989 is a prime.

It is a super-2 number, since 2×33561424245² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33561424249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14159754 + ... + 14162123.

It is an arithmetic number, because the mean of its divisors is an integer number (3398625360).

Almost surely, 2^33561424245 is an apocalyptic number.

It is an amenable number.

33561424245 is a deficient number, since it is larger than the sum of its proper divisors (20816581515).

33561424245 is a wasteful number, since it uses less digits than its factorization.

33561424245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28321964.

The product of its digits is 345600, while the sum is 39.

The spelling of 33561424245 in words is "thirty-three billion, five hundred sixty-one million, four hundred twenty-four thousand, two hundred forty-five".