34213125187 has 2 divisors, whose sum is σ = 34213125188. Its totient is φ = 34213125186.

The previous prime is 34213125161. The next prime is 34213125223. The reversal of 34213125187 is 78152131243.

It is a weak prime.

It is an emirp because it is prime and its reverse (78152131243) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34213125187 - 2³¹ = 32065641539 is a prime.

It is a super-2 number, since 2×34213125187² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (34213125127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17106562593 + 17106562594.

It is an arithmetic number, because the mean of its divisors is an integer number (17106562594).

Almost surely, 2^34213125187 is an apocalyptic number.

34213125187 is a deficient number, since it is larger than the sum of its proper divisors (1).

34213125187 is an equidigital number, since it uses as much as digits as its factorization.

34213125187 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 37.

The spelling of 34213125187 in words is "thirty-four billion, two hundred thirteen million, one hundred twenty-five thousand, one hundred eighty-seven".