42123687746 has 16 divisors (see below), whose sum is σ = 72214856640. Its totient is φ = 18052303920.

The previous prime is 42123687713. The next prime is 42123687763. The reversal of 42123687746 is 64778632124.

42123687746 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 42123687694 and 42123687703.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 487760 + ... + 567588.

It is an arithmetic number, because the mean of its divisors is an integer number (4513428540).

Almost surely, 2^42123687746 is an apocalyptic number.

42123687746 is a deficient number, since it is larger than the sum of its proper divisors (30091168894).

42123687746 is a wasteful number, since it uses less digits than its factorization.

42123687746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117529.

The product of its digits is 2709504, while the sum is 50.

The spelling of 42123687746 in words is "forty-two billion, one hundred twenty-three million, six hundred eighty-seven thousand, seven hundred forty-six".