34817468563921 has 4 divisors (see below), whose sum is σ = 36865554950052. Its totient is φ = 32769382177792.

The previous prime is 34817468563883. The next prime is 34817468563931. The reversal of 34817468563921 is 12936586471843.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13998552863296 + 20818915700625 = 3741464^2 + 4562775^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34817468563921 is a prime.

It is a super-2 number, since 2×34817468563921² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34817468563931) 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, 1024043193040 + ... + 1024043193073.

It is an arithmetic number, because the mean of its divisors is an integer number (9216388737513).

Almost surely, 2^{34817468563921} is an apocalyptic number.

It is an amenable number.

34817468563921 is a deficient number, since it is larger than the sum of its proper divisors (2048086386131).

34817468563921 is a wasteful number, since it uses less digits than its factorization.

34817468563921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2048086386130.

The product of its digits is 209018880, while the sum is 67.

The spelling of 34817468563921 in words is "thirty-four trillion, eight hundred seventeen billion, four hundred sixty-eight million, five hundred sixty-three thousand, nine hundred twenty-one".