33740047147 has 4 divisors (see below), whose sum is σ = 34293162736. Its totient is φ = 33186931560.

The previous prime is 33740047141. The next prime is 33740047247. The reversal of 33740047147 is 74174004733.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74174004733 = 17 ⋅4363176749.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33740047147 is a prime.

It is a super-2 number, since 2×33740047147² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33740047141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 276557703 + ... + 276557824.

It is an arithmetic number, because the mean of its divisors is an integer number (8573290684).

Almost surely, 2^33740047147 is an apocalyptic number.

33740047147 is a deficient number, since it is larger than the sum of its proper divisors (553115589).

33740047147 is an equidigital number, since it uses as much as digits as its factorization.

33740047147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553115588.

The product of its (nonzero) digits is 197568, while the sum is 40.

The spelling of 33740047147 in words is "thirty-three billion, seven hundred forty million, forty-seven thousand, one hundred forty-seven".