33494926851 has 12 divisors (see below), whose sum is σ = 48433652280. Its totient is φ = 22305909120.

The previous prime is 33494926849. The next prime is 33494926897. The reversal of 33494926851 is 15862949433.

33494926851 is a `hidden beast` number, since 3 + 3 + 49 + 492 + 68 + 51 = 666.

It is not a de Polignac number, because 33494926851 - 2¹ = 33494926849 is a prime.

It is a super-2 number, since 2×33494926851² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33494926051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1994685 + ... + 2011406.

It is an arithmetic number, because the mean of its divisors is an integer number (4036137690).

Almost surely, 2^33494926851 is an apocalyptic number.

33494926851 is a deficient number, since it is larger than the sum of its proper divisors (14938725429).

33494926851 is a wasteful number, since it uses less digits than its factorization.

33494926851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4007026 (or 4007023 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 54.

The spelling of 33494926851 in words is "thirty-three billion, four hundred ninety-four million, nine hundred twenty-six thousand, eight hundred fifty-one".