34131421939 has 2 divisors, whose sum is σ = 34131421940. Its totient is φ = 34131421938.

The previous prime is 34131421937. The next prime is 34131421981. The reversal of 34131421939 is 93912413143.

It is a weak prime.

It is an emirp because it is prime and its reverse (93912413143) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34131421939 - 2¹ = 34131421937 is a prime.

Together with 34131421937, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (34131421937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17065710969 + 17065710970.

It is an arithmetic number, because the mean of its divisors is an integer number (17065710970).

Almost surely, 2^34131421939 is an apocalyptic number.

34131421939 is a deficient number, since it is larger than the sum of its proper divisors (1).

34131421939 is an equidigital number, since it uses as much as digits as its factorization.

34131421939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69984, while the sum is 40.

The spelling of 34131421939 in words is "thirty-four billion, one hundred thirty-one million, four hundred twenty-one thousand, nine hundred thirty-nine".