34179621239557 has 2 divisors, whose sum is σ = 34179621239558. Its totient is φ = 34179621239556.

The previous prime is 34179621239453. The next prime is 34179621239609. The reversal of 34179621239557 is 75593212697143.

It is a Cunningham number, because it is equal to 5846334²+1.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34179621239556 + 1 = 5846334^2 + 1^2 .

It is a cyclic number.

It is not a de Polignac number, because 34179621239557 - 2¹⁵ = 34179621206789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34179621239857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17089810619778 + 17089810619779.

It is an arithmetic number, because the mean of its divisors is an integer number (17089810619779).

Almost surely, 2^{34179621239557} is an apocalyptic number.

It is an amenable number.

34179621239557 is a deficient number, since it is larger than the sum of its proper divisors (1).

34179621239557 is an equidigital number, since it uses as much as digits as its factorization.

34179621239557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 85730400, while the sum is 64.

The spelling of 34179621239557 in words is "thirty-four trillion, one hundred seventy-nine billion, six hundred twenty-one million, two hundred thirty-nine thousand, five hundred fifty-seven".