42002013982 has 4 divisors (see below), whose sum is σ = 63003020976. Its totient is φ = 21001006990.

The previous prime is 42002013973. The next prime is 42002014001. The reversal of 42002013982 is 28931020024.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10500503494 + ... + 10500503497.

It is an arithmetic number, because the mean of its divisors is an integer number (15750755244).

Almost surely, 2^42002013982 is an apocalyptic number.

42002013982 is a deficient number, since it is larger than the sum of its proper divisors (21001006994).

42002013982 is a wasteful number, since it uses less digits than its factorization.

42002013982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21001006993.

The product of its (nonzero) digits is 6912, while the sum is 31.

The spelling of 42002013982 in words is "forty-two billion, two million, thirteen thousand, nine hundred eighty-two".