42979195759 has 4 divisors (see below), whose sum is σ = 42997510504. Its totient is φ = 42960881016.

The previous prime is 42979195741. The next prime is 42979195817. The reversal of 42979195759 is 95759197924.

42979195759 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 42979195759 - 2⁷ = 42979195631 is a prime.

It is a super-2 number, since 2×42979195759² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42979195694 and 42979195703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42979195729) 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, 9153852 + ... + 9158545.

It is an arithmetic number, because the mean of its divisors is an integer number (10749377626).

Almost surely, 2^42979195759 is an apocalyptic number.

42979195759 is a deficient number, since it is larger than the sum of its proper divisors (18314745).

42979195759 is a wasteful number, since it uses less digits than its factorization.

42979195759 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18314744.

The product of its digits is 64297800, while the sum is 67.

The spelling of 42979195759 in words is "forty-two billion, nine hundred seventy-nine million, one hundred ninety-five thousand, seven hundred fifty-nine".