34280910721 has 4 divisors (see below), whose sum is σ = 36085169200. Its totient is φ = 32476652244.

The previous prime is 34280910709. The next prime is 34280910731. The reversal of 34280910721 is 12701908243.

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 34280910721 - 2²⁹ = 33744039809 is a prime.

It is a super-2 number, since 2×34280910721² (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 (34280910731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 902129211 + ... + 902129248.

It is an arithmetic number, because the mean of its divisors is an integer number (9021292300).

Almost surely, 2^34280910721 is an apocalyptic number.

It is an amenable number.

34280910721 is a deficient number, since it is larger than the sum of its proper divisors (1804258479).

34280910721 is a wasteful number, since it uses less digits than its factorization.

34280910721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1804258478.

The product of its (nonzero) digits is 24192, while the sum is 37.

The spelling of 34280910721 in words is "thirty-four billion, two hundred eighty million, nine hundred ten thousand, seven hundred twenty-one".