42147474125 has 64 divisors (see below), whose sum is σ = 55983882240. Its totient is φ = 31614105600.

The previous prime is 42147474121. The next prime is 42147474137. The reversal of 42147474125 is 52147474124.

It is not a de Polignac number, because 42147474125 - 2² = 42147474121 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42147474121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 32495477 + ... + 32496773.

It is an arithmetic number, because the mean of its divisors is an integer number (874748160).

Almost surely, 2^42147474125 is an apocalyptic number.

It is an amenable number.

42147474125 is a deficient number, since it is larger than the sum of its proper divisors (13836408115).

42147474125 is a wasteful number, since it uses less digits than its factorization.

42147474125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1551 (or 1541 counting only the distinct ones).

The product of its digits is 250880, while the sum is 41.

Subtracting 42147474125 from its reverse (52147474124), we obtain a palindrome (9999999999).

The spelling of 42147474125 in words is "forty-two billion, one hundred forty-seven million, four hundred seventy-four thousand, one hundred twenty-five".