42816589346 has 4 divisors (see below), whose sum is σ = 64224884022. Its totient is φ = 21408294672.

The previous prime is 42816589307. The next prime is 42816589399. The reversal of 42816589346 is 64398561824.

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

It can be written as a sum of positive squares in only one way, i.e., 39259063321 + 3557526025 = 198139^2 + 59645^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42816589291 and 42816589300.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10704147335 + ... + 10704147338.

Almost surely, 2^42816589346 is an apocalyptic number.

42816589346 is a deficient number, since it is larger than the sum of its proper divisors (21408294676).

42816589346 is a wasteful number, since it uses less digits than its factorization.

42816589346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21408294675.

The product of its digits is 9953280, while the sum is 56.

The spelling of 42816589346 in words is "forty-two billion, eight hundred sixteen million, five hundred eighty-nine thousand, three hundred forty-six".