34197542381 has 2 divisors, whose sum is σ = 34197542382. Its totient is φ = 34197542380.

The previous prime is 34197542377. The next prime is 34197542413. The reversal of 34197542381 is 18324579143.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23490466756 + 10707075625 = 153266^2 + 103475^2 .

It is a cyclic number.

It is not a de Polignac number, because 34197542381 - 2² = 34197542377 is a prime.

It is a super-2 number, since 2×34197542381² (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 (34197542681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17098771190 + 17098771191.

It is an arithmetic number, because the mean of its divisors is an integer number (17098771191).

Almost surely, 2^34197542381 is an apocalyptic number.

It is an amenable number.

34197542381 is a deficient number, since it is larger than the sum of its proper divisors (1).

34197542381 is an equidigital number, since it uses as much as digits as its factorization.

34197542381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 725760, while the sum is 47.

The spelling of 34197542381 in words is "thirty-four billion, one hundred ninety-seven million, five hundred forty-two thousand, three hundred eighty-one".