42567953759 has 4 divisors (see below), whose sum is σ = 43557906216. Its totient is φ = 41578001304.

The previous prime is 42567953741. The next prime is 42567953773. The reversal of 42567953759 is 95735976524.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42567953759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42567953159) 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, 494976164 + ... + 494976249.

It is an arithmetic number, because the mean of its divisors is an integer number (10889476554).

Almost surely, 2^42567953759 is an apocalyptic number.

42567953759 is a deficient number, since it is larger than the sum of its proper divisors (989952457).

42567953759 is an equidigital number, since it uses as much as digits as its factorization.

42567953759 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 989952456.

The product of its digits is 71442000, while the sum is 62.

The spelling of 42567953759 in words is "forty-two billion, five hundred sixty-seven million, nine hundred fifty-three thousand, seven hundred fifty-nine".