42630544439 has 12 divisors (see below), whose sum is σ = 49595712768. Its totient is φ = 36536724000.

The previous prime is 42630544403. The next prime is 42630544441. The reversal of 42630544439 is 93444503624.

It is a de Polignac number, because none of the positive numbers 2^k-42630544439 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42630544439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42630544639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 507914 + ... + 585864.

It is an arithmetic number, because the mean of its divisors is an integer number (4132976064).

Almost surely, 2^42630544439 is an apocalyptic number.

42630544439 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

42630544439 is a deficient number, since it is larger than the sum of its proper divisors (6965168329).

42630544439 is a wasteful number, since it uses less digits than its factorization.

42630544439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89126 (or 89119 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 44.

The spelling of 42630544439 in words is "forty-two billion, six hundred thirty million, five hundred forty-four thousand, four hundred thirty-nine".