34321121645 has 8 divisors (see below), whose sum is σ = 41499738720. Its totient is φ = 27247302160.

The previous prime is 34321121633. The next prime is 34321121683. The reversal of 34321121645 is 54612112343.

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

It is not a de Polignac number, because 34321121645 - 2¹² = 34321117549 is a prime.

It is a super-3 number, since 3×34321121645³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26198675 + ... + 26199984.

It is an arithmetic number, because the mean of its divisors is an integer number (5187467340).

Almost surely, 2^34321121645 is an apocalyptic number.

It is an amenable number.

34321121645 is a deficient number, since it is larger than the sum of its proper divisors (7178617075).

34321121645 is a wasteful number, since it uses less digits than its factorization.

34321121645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52398795.

The product of its digits is 17280, while the sum is 32.

Adding to 34321121645 its reverse (54612112343), we get a palindrome (88933233988).

The spelling of 34321121645 in words is "thirty-four billion, three hundred twenty-one million, one hundred twenty-one thousand, six hundred forty-five".