34996847221 has 4 divisors (see below), whose sum is σ = 39996396832. Its totient is φ = 29997297612.

The previous prime is 34996847167. The next prime is 34996847243. The reversal of 34996847221 is 12274869943.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 34996847221 - 2²⁵ = 34963292789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34996844221) 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, 2499774795 + ... + 2499774808.

It is an arithmetic number, because the mean of its divisors is an integer number (9999099208).

Almost surely, 2^34996847221 is an apocalyptic number.

It is an amenable number.

34996847221 is a deficient number, since it is larger than the sum of its proper divisors (4999549611).

34996847221 is an equidigital number, since it uses as much as digits as its factorization.

34996847221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4999549610.

The product of its digits is 5225472, while the sum is 55.

The spelling of 34996847221 in words is "thirty-four billion, nine hundred ninety-six million, eight hundred forty-seven thousand, two hundred twenty-one".