42130453466639 has 4 divisors (see below), whose sum is σ = 42707582966256. Its totient is φ = 41553323967024.

The previous prime is 42130453466599. The next prime is 42130453466683. The reversal of 42130453466639 is 93666435403124.

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

It is a cyclic number.

It is not a de Polignac number, because 42130453466639 - 2⁸ = 42130453466383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42130453466239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 288564749699 + ... + 288564749844.

It is an arithmetic number, because the mean of its divisors is an integer number (10676895741564).

Almost surely, 2^{42130453466639} is an apocalyptic number.

42130453466639 is a deficient number, since it is larger than the sum of its proper divisors (577129499617).

42130453466639 is an equidigital number, since it uses as much as digits as its factorization.

42130453466639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577129499616.

The product of its (nonzero) digits is 33592320, while the sum is 56.

The spelling of 42130453466639 in words is "forty-two trillion, one hundred thirty billion, four hundred fifty-three million, four hundred sixty-six thousand, six hundred thirty-nine".