42134345107 has 2 divisors, whose sum is σ = 42134345108. Its totient is φ = 42134345106.

The previous prime is 42134345101. The next prime is 42134345111. The reversal of 42134345107 is 70154343124.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42134345107 is a prime.

It is not a weakly prime, because it can be changed into another prime (42134345101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21067172553 + 21067172554.

It is an arithmetic number, because the mean of its divisors is an integer number (21067172554).

Almost surely, 2^42134345107 is an apocalyptic number.

42134345107 is a deficient number, since it is larger than the sum of its proper divisors (1).

42134345107 is an equidigital number, since it uses as much as digits as its factorization.

42134345107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 34.

The spelling of 42134345107 in words is "forty-two billion, one hundred thirty-four million, three hundred forty-five thousand, one hundred seven".