442332769147 has 4 divisors (see below), whose sum is σ = 445301445600. Its totient is φ = 439364092696.

The previous prime is 442332769139. The next prime is 442332769157. The reversal of 442332769147 is 741967233244.

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

It is a cyclic number.

It is not a de Polignac number, because 442332769147 - 2³ = 442332769139 is a prime.

It is a super-2 number, since 2×442332769147² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 442332769094 and 442332769103.

It is not an unprimeable number, because it can be changed into a prime (442332769157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1484338003 + ... + 1484338300.

It is an arithmetic number, because the mean of its divisors is an integer number (111325361400).

Almost surely, 2^442332769147 is an apocalyptic number.

442332769147 is a deficient number, since it is larger than the sum of its proper divisors (2968676453).

442332769147 is a wasteful number, since it uses less digits than its factorization.

442332769147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2968676452.

The product of its digits is 6096384, while the sum is 52.

The spelling of 442332769147 in words is "four hundred forty-two billion, three hundred thirty-two million, seven hundred sixty-nine thousand, one hundred forty-seven".