42863871369666 has 32 divisors (see below), whose sum is σ = 86267793763008. Its totient is φ = 14198202524160.

The previous prime is 42863871369617. The next prime is 42863871369679. The reversal of 42863871369666 is 66696317836824.

It is a super-2 number, since 2×42863871369666² (a number of 28 digits) contains 22 as substring.

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, 31062475 + ... + 32413038.

It is an arithmetic number, because the mean of its divisors is an integer number (2695868555094).

Almost surely, 2^{42863871369666} is an apocalyptic number.

42863871369666 is an abundant number, since it is smaller than the sum of its proper divisors (43403922393342).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42863871369666 is a wasteful number, since it uses less digits than its factorization.

42863871369666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63476226.

The product of its digits is 2257403904, while the sum is 75.

The spelling of 42863871369666 in words is "forty-two trillion, eight hundred sixty-three billion, eight hundred seventy-one million, three hundred sixty-nine thousand, six hundred sixty-six".