34569177421 has 2 divisors, whose sum is σ = 34569177422. Its totient is φ = 34569177420.

The previous prime is 34569177407. The next prime is 34569177427. The reversal of 34569177421 is 12477196543.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34016269225 + 552908196 = 184435^2 + 23514^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34569177421 is a prime.

It is a super-2 number, since 2×34569177421² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34569177427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17284588710 + 17284588711.

It is an arithmetic number, because the mean of its divisors is an integer number (17284588711).

Almost surely, 2^34569177421 is an apocalyptic number.

It is an amenable number.

34569177421 is a deficient number, since it is larger than the sum of its proper divisors (1).

34569177421 is an equidigital number, since it uses as much as digits as its factorization.

34569177421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1270080, while the sum is 49.

The spelling of 34569177421 in words is "thirty-four billion, five hundred sixty-nine million, one hundred seventy-seven thousand, four hundred twenty-one".