42463521139 has 4 divisors (see below), whose sum is σ = 45729945856. Its totient is φ = 39197096424.

The previous prime is 42463521019. The next prime is 42463521151. The reversal of 42463521139 is 93112536424.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42463521139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42463521169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1633212339 + ... + 1633212364.

It is an arithmetic number, because the mean of its divisors is an integer number (11432486464).

Almost surely, 2^42463521139 is an apocalyptic number.

42463521139 is a deficient number, since it is larger than the sum of its proper divisors (3266424717).

42463521139 is a wasteful number, since it uses less digits than its factorization.

42463521139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3266424716.

The product of its digits is 155520, while the sum is 40.

The spelling of 42463521139 in words is "forty-two billion, four hundred sixty-three million, five hundred twenty-one thousand, one hundred thirty-nine".