34343379721 has 8 divisors (see below), whose sum is σ = 39270682304. Its totient is φ = 29421353520.

The previous prime is 34343379691. The next prime is 34343379767. The reversal of 34343379721 is 12797334343.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34343379721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (34343379781) 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 7 ways as a sum of consecutive naturals, for example, 1305135 + ... + 1331188.

It is an arithmetic number, because the mean of its divisors is an integer number (4908835288).

Almost surely, 2^34343379721 is an apocalyptic number.

It is an amenable number.

34343379721 is a deficient number, since it is larger than the sum of its proper divisors (4927302583).

34343379721 is a wasteful number, since it uses less digits than its factorization.

34343379721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2638191.

The product of its digits is 1143072, while the sum is 46.

The spelling of 34343379721 in words is "thirty-four billion, three hundred forty-three million, three hundred seventy-nine thousand, seven hundred twenty-one".