42642130425 has 12 divisors (see below), whose sum is σ = 70501655760. Its totient is φ = 22742469520.

The previous prime is 42642130423. The next prime is 42642130441. The reversal of 42642130425 is 52403124624.

It is not a de Polignac number, because 42642130425 - 2¹ = 42642130423 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42642130423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 284280795 + ... + 284280944.

It is an arithmetic number, because the mean of its divisors is an integer number (5875137980).

Almost surely, 2^42642130425 is an apocalyptic number.

It is an amenable number.

42642130425 is a deficient number, since it is larger than the sum of its proper divisors (27859525335).

42642130425 is a wasteful number, since it uses less digits than its factorization.

42642130425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568561752 (or 568561747 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 33.

The spelling of 42642130425 in words is "forty-two billion, six hundred forty-two million, one hundred thirty thousand, four hundred twenty-five".