34802217551 has 4 divisors (see below), whose sum is σ = 34868761512. Its totient is φ = 34735673592.

The previous prime is 34802217523. The next prime is 34802217581. The reversal of 34802217551 is 15571220843.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34802217551 is a prime.

It is a super-2 number, since 2×34802217551² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34802217581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33271196 + ... + 33272241.

It is an arithmetic number, because the mean of its divisors is an integer number (8717190378).

Almost surely, 2^34802217551 is an apocalyptic number.

34802217551 is a deficient number, since it is larger than the sum of its proper divisors (66543961).

34802217551 is an equidigital number, since it uses as much as digits as its factorization.

34802217551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66543960.

The product of its (nonzero) digits is 67200, while the sum is 38.

The spelling of 34802217551 in words is "thirty-four billion, eight hundred two million, two hundred seventeen thousand, five hundred fifty-one".