42133420925 has 12 divisors (see below), whose sum is σ = 55318703796. Its totient is φ = 31723987200.

The previous prime is 42133420897. The next prime is 42133420939. The reversal of 42133420925 is 52902433124.

It can be written as a sum of positive squares in 6 ways, for example, as 5958141721 + 36175279204 = 77189^2 + 190198^2 .

It is not a de Polignac number, because 42133420925 - 2¹⁰ = 42133419901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49568306 + ... + 49569155.

It is an arithmetic number, because the mean of its divisors is an integer number (4609891983).

Almost surely, 2^42133420925 is an apocalyptic number.

It is an amenable number.

42133420925 is a deficient number, since it is larger than the sum of its proper divisors (13185282871).

42133420925 is a wasteful number, since it uses less digits than its factorization.

42133420925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99137488 (or 99137483 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 42133420925 in words is "forty-two billion, one hundred thirty-three million, four hundred twenty thousand, nine hundred twenty-five".