42920603705 has 16 divisors (see below), whose sum is σ = 58993660800. Its totient is φ = 29365711872.

The previous prime is 42920603689. The next prime is 42920603753. The reversal of 42920603705 is 50730602924.

42920603705 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42920603705 - 2⁴ = 42920603689 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1349879 + ... + 1381308.

It is an arithmetic number, because the mean of its divisors is an integer number (3687103800).

Almost surely, 2^42920603705 is an apocalyptic number.

It is an amenable number.

42920603705 is a deficient number, since it is larger than the sum of its proper divisors (16073057095).

42920603705 is a wasteful number, since it uses less digits than its factorization.

42920603705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2731648.

The product of its (nonzero) digits is 90720, while the sum is 38.

The spelling of 42920603705 in words is "forty-two billion, nine hundred twenty million, six hundred three thousand, seven hundred five".