42449469147 has 16 divisors (see below), whose sum is σ = 63444638880. Its totient is φ = 28049204736.

The previous prime is 42449469131. The next prime is 42449469163. The reversal of 42449469147 is 74196494424.

42449469147 is a `hidden beast` number, since 4 + 2 + 4 + 494 + 6 + 9 + 147 = 666.

It is an interprime number because it is at equal distance from previous prime (42449469131) and next prime (42449469163).

It is not a de Polignac number, because 42449469147 - 2⁴ = 42449469131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42449469093 and 42449469102.

It is not an unprimeable number, because it can be changed into a prime (42449469947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6953598 + ... + 6959699.

It is an arithmetic number, because the mean of its divisors is an integer number (3965289930).

Almost surely, 2^42449469147 is an apocalyptic number.

42449469147 is a deficient number, since it is larger than the sum of its proper divisors (20995169733).

42449469147 is a wasteful number, since it uses less digits than its factorization.

42449469147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13913419 (or 13913413 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 54.

The spelling of 42449469147 in words is "forty-two billion, four hundred forty-nine million, four hundred sixty-nine thousand, one hundred forty-seven".