34170625921 has 8 divisors (see below), whose sum is σ = 34207626024. Its totient is φ = 34133648640.

The previous prime is 34170625919. The next prime is 34170625927. The reversal of 34170625921 is 12952607143.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 22368193600 + 11802432321 = 149560^2 + 108639^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 34170625921 - 2¹ = 34170625919 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34170625927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5192185 + ... + 5198761.

It is an arithmetic number, because the mean of its divisors is an integer number (4275953253).

Almost surely, 2^34170625921 is an apocalyptic number.

It is an amenable number.

34170625921 is a deficient number, since it is larger than the sum of its proper divisors (37000103).

34170625921 is a wasteful number, since it uses less digits than its factorization.

34170625921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11411.

The product of its (nonzero) digits is 90720, while the sum is 40.

The spelling of 34170625921 in words is "thirty-four billion, one hundred seventy million, six hundred twenty-five thousand, nine hundred twenty-one".