42130034249 has 2 divisors, whose sum is σ = 42130034250. Its totient is φ = 42130034248.

The previous prime is 42130034213. The next prime is 42130034281. The reversal of 42130034249 is 94243003124.

42130034249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (42130034281) can be obtained adding 42130034249 to its sum of digits (32).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27123784249 + 15006250000 = 164693^2 + 122500^2 .

It is a cyclic number.

It is not a de Polignac number, because 42130034249 - 2²⁰ = 42128985673 is a prime.

It is not a weakly prime, because it can be changed into another prime (42130031249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21065017124 + 21065017125.

It is an arithmetic number, because the mean of its divisors is an integer number (21065017125).

Almost surely, 2^42130034249 is an apocalyptic number.

It is an amenable number.

42130034249 is a deficient number, since it is larger than the sum of its proper divisors (1).

42130034249 is an equidigital number, since it uses as much as digits as its factorization.

42130034249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 32.

The spelling of 42130034249 in words is "forty-two billion, one hundred thirty million, thirty-four thousand, two hundred forty-nine".