42924820346 has 4 divisors (see below), whose sum is σ = 64387230522. Its totient is φ = 21462410172.

The previous prime is 42924820307. The next prime is 42924820357. The reversal of 42924820346 is 64302842924.

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., 32540191321 + 10384629025 = 180389^2 + 101905^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42924820297 and 42924820306.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10731205085 + ... + 10731205088.

Almost surely, 2^42924820346 is an apocalyptic number.

42924820346 is a deficient number, since it is larger than the sum of its proper divisors (21462410176).

42924820346 is a wasteful number, since it uses less digits than its factorization.

42924820346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21462410175.

The product of its (nonzero) digits is 663552, while the sum is 44.

The spelling of 42924820346 in words is "forty-two billion, nine hundred twenty-four million, eight hundred twenty thousand, three hundred forty-six".