33734489947 has 2 divisors, whose sum is σ = 33734489948. Its totient is φ = 33734489946.

The previous prime is 33734489941. The next prime is 33734489963. The reversal of 33734489947 is 74998443733.

It is a weak prime.

It is an emirp because it is prime and its reverse (74998443733) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 33734489947 - 2¹⁵ = 33734457179 is a prime.

It is a super-2 number, since 2×33734489947² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33734489941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16867244973 + 16867244974.

It is an arithmetic number, because the mean of its divisors is an integer number (16867244974).

Almost surely, 2^33734489947 is an apocalyptic number.

33734489947 is a deficient number, since it is larger than the sum of its proper divisors (1).

33734489947 is an equidigital number, since it uses as much as digits as its factorization.

33734489947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54867456, while the sum is 61.

The spelling of 33734489947 in words is "thirty-three billion, seven hundred thirty-four million, four hundred eighty-nine thousand, nine hundred forty-seven".