42128073963 has 12 divisors (see below), whose sum is σ = 60882313128. Its totient is φ = 28071236160.

The previous prime is 42128073857. The next prime is 42128073971. The reversal of 42128073963 is 36937082124.

It is not a de Polignac number, because 42128073963 - 2⁹ = 42128073451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42128073973) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1159998 + ... + 1195763.

It is an arithmetic number, because the mean of its divisors is an integer number (5073526094).

Almost surely, 2^42128073963 is an apocalyptic number.

42128073963 is a deficient number, since it is larger than the sum of its proper divisors (18754239165).

42128073963 is a wasteful number, since it uses less digits than its factorization.

42128073963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2357754 (or 2357751 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The spelling of 42128073963 in words is "forty-two billion, one hundred twenty-eight million, seventy-three thousand, nine hundred sixty-three".