42125413417 has 2 divisors, whose sum is σ = 42125413418. Its totient is φ = 42125413416.

The previous prime is 42125413301. The next prime is 42125413423. The reversal of 42125413417 is 71431452124.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32252208921 + 9873204496 = 179589^2 + 99364^2 .

It is a cyclic number.

It is not a de Polignac number, because 42125413417 - 2⁷ = 42125413289 is a prime.

It is not a weakly prime, because it can be changed into another prime (42125413117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21062706708 + 21062706709.

It is an arithmetic number, because the mean of its divisors is an integer number (21062706709).

Almost surely, 2^42125413417 is an apocalyptic number.

It is an amenable number.

42125413417 is a deficient number, since it is larger than the sum of its proper divisors (1).

42125413417 is an equidigital number, since it uses as much as digits as its factorization.

42125413417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26880, while the sum is 34.

The spelling of 42125413417 in words is "forty-two billion, one hundred twenty-five million, four hundred thirteen thousand, four hundred seventeen".