42333333506 has 4 divisors (see below), whose sum is σ = 63500000262. Its totient is φ = 21166666752.

The previous prime is 42333333487. The next prime is 42333333527. The reversal of 42333333506 is 60533333324.

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., 41129868025 + 1203465481 = 202805^2 + 34691^2 .

It is a super-2 number, since 2×42333333506² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10583333375 + ... + 10583333378.

Almost surely, 2^42333333506 is an apocalyptic number.

42333333506 is a deficient number, since it is larger than the sum of its proper divisors (21166666756).

42333333506 is a wasteful number, since it uses less digits than its factorization.

42333333506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21166666755.

The product of its (nonzero) digits is 174960, while the sum is 35.

The spelling of 42333333506 in words is "forty-two billion, three hundred thirty-three million, three hundred thirty-three thousand, five hundred six".