42719128701 has 4 divisors (see below), whose sum is σ = 56958838272. Its totient is φ = 28479419132.

The previous prime is 42719128663. The next prime is 42719128703. The reversal of 42719128701 is 10782191724.

42719128701 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42719128701 - 2²¹ = 42717031549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42719128703) 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, 7119854781 + ... + 7119854786.

It is an arithmetic number, because the mean of its divisors is an integer number (14239709568).

Almost surely, 2^42719128701 is an apocalyptic number.

It is an amenable number.

42719128701 is a deficient number, since it is larger than the sum of its proper divisors (14239709571).

42719128701 is a wasteful number, since it uses less digits than its factorization.

42719128701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14239709570.

The product of its (nonzero) digits is 56448, while the sum is 42.

The spelling of 42719128701 in words is "forty-two billion, seven hundred nineteen million, one hundred twenty-eight thousand, seven hundred one".