42437671525 has 12 divisors (see below), whose sum is σ = 52744820544. Its totient is φ = 33871358000.

The previous prime is 42437671511. The next prime is 42437671531. The reversal of 42437671525 is 52517673424.

It is a de Polignac number, because none of the positive numbers 2^k-42437671525 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, 1958491 + ... + 1980040.

It is an arithmetic number, because the mean of its divisors is an integer number (4395401712).

Almost surely, 2^42437671525 is an apocalyptic number.

It is an amenable number.

42437671525 is a deficient number, since it is larger than the sum of its proper divisors (10307149019).

42437671525 is a wasteful number, since it uses less digits than its factorization.

42437671525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3938972 (or 3938967 counting only the distinct ones).

The product of its digits is 1411200, while the sum is 46.

The spelling of 42437671525 in words is "forty-two billion, four hundred thirty-seven million, six hundred seventy-one thousand, five hundred twenty-five".