42125412437 has 4 divisors (see below), whose sum is σ = 43021697856. Its totient is φ = 41229127020.

The previous prime is 42125412431. The next prime is 42125412467. The reversal of 42125412437 is 73421452124.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42125412437 - 2¹⁸ = 42125150293 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42125412397 and 42125412406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42125412431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 448142639 + ... + 448142732.

It is an arithmetic number, because the mean of its divisors is an integer number (10755424464).

Almost surely, 2^42125412437 is an apocalyptic number.

42125412437 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

It is an amenable number.

42125412437 is a deficient number, since it is larger than the sum of its proper divisors (896285419).

42125412437 is an equidigital number, since it uses as much as digits as its factorization.

42125412437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896285418.

The product of its digits is 53760, while the sum is 35.

The spelling of 42125412437 in words is "forty-two billion, one hundred twenty-five million, four hundred twelve thousand, four hundred thirty-seven".