42102430443 has 12 divisors (see below), whose sum is σ = 61133025408. Its totient is φ = 27921331440.

The previous prime is 42102430439. The next prime is 42102430459. The reversal of 42102430443 is 34403420124.

It is a happy number.

42102430443 is a `hidden beast` number, since 4 + 210 + 2 + 4 + 3 + 0 + 443 = 666.

It is not a de Polignac number, because 42102430443 - 2² = 42102430439 is a prime.

It is a super-2 number, since 2×42102430443² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42102430423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12244480 + ... + 12247917.

It is an arithmetic number, because the mean of its divisors is an integer number (5094418784).

Almost surely, 2^42102430443 is an apocalyptic number.

42102430443 is a deficient number, since it is larger than the sum of its proper divisors (19030594965).

42102430443 is a wasteful number, since it uses less digits than its factorization.

42102430443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24492594 (or 24492591 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 42102430443 its reverse (34403420124), we get a palindrome (76505850567).

The spelling of 42102430443 in words is "forty-two billion, one hundred two million, four hundred thirty thousand, four hundred forty-three".