34428561085869 has 4 divisors (see below), whose sum is σ = 45904748114496. Its totient is φ = 22952374057244.

The previous prime is 34428561085823. The next prime is 34428561085901. The reversal of 34428561085869 is 96858016582443.

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 34428561085869 - 2⁹ = 34428561085357 is a prime.

It is a super-2 number, since 2×34428561085869² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34428561085969) 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, 5738093514309 + ... + 5738093514314.

It is an arithmetic number, because the mean of its divisors is an integer number (11476187028624).

Almost surely, 2^{34428561085869} is an apocalyptic number.

It is an amenable number.

34428561085869 is a deficient number, since it is larger than the sum of its proper divisors (11476187028627).

34428561085869 is a wasteful number, since it uses less digits than its factorization.

34428561085869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11476187028626.

The product of its (nonzero) digits is 398131200, while the sum is 69.

The spelling of 34428561085869 in words is "thirty-four trillion, four hundred twenty-eight billion, five hundred sixty-one million, eighty-five thousand, eight hundred sixty-nine".