42143644527 has 8 divisors (see below), whose sum is σ = 56961273264. Its totient is φ = 27710889408.

The previous prime is 42143644513. The next prime is 42143644547. The reversal of 42143644527 is 72544634124.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42143644527 - 2⁴ = 42143644511 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42143644547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96218148 + ... + 96218585.

It is an arithmetic number, because the mean of its divisors is an integer number (7120159158).

Almost surely, 2^42143644527 is an apocalyptic number.

42143644527 is a deficient number, since it is larger than the sum of its proper divisors (14817628737).

42143644527 is a wasteful number, since it uses less digits than its factorization.

42143644527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192436809.

The product of its digits is 645120, while the sum is 42.

The spelling of 42143644527 in words is "forty-two billion, one hundred forty-three million, six hundred forty-four thousand, five hundred twenty-seven".