42273464247 has 32 divisors (see below), whose sum is σ = 73882972160. Its totient is φ = 23377027680.

The previous prime is 42273464243. The next prime is 42273464263. The reversal of 42273464247 is 74246437224.

It is a happy number.

42273464247 is a `hidden beast` number, since 4 + 227 + 346 + 42 + 47 = 666.

It is not a de Polignac number, because 42273464247 - 2² = 42273464243 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42273464243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3601708 + ... + 3613425.

It is an arithmetic number, because the mean of its divisors is an integer number (2308842880).

Almost surely, 2^42273464247 is an apocalyptic number.

42273464247 is a deficient number, since it is larger than the sum of its proper divisors (31609507913).

42273464247 is a wasteful number, since it uses less digits than its factorization.

42273464247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7215180 (or 7215174 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 45.

The spelling of 42273464247 in words is "forty-two billion, two hundred seventy-three million, four hundred sixty-four thousand, two hundred forty-seven".