247065271442 has 16 divisors (see below), whose sum is σ = 404326924992. Its totient is φ = 112291757520.

The previous prime is 247065271417. The next prime is 247065271447. The reversal of 247065271442 is 244172560742.

247065271442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×247065271442² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 247065271393 and 247065271402.

It is not an unprimeable number, because it can be changed into a prime (247065271447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 292013 + ... + 761184.

It is an arithmetic number, because the mean of its divisors is an integer number (25270432812).

Almost surely, 2^247065271442 is an apocalyptic number.

247065271442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

247065271442 is a deficient number, since it is larger than the sum of its proper divisors (157261653550).

247065271442 is a wasteful number, since it uses less digits than its factorization.

247065271442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1063873.

The product of its (nonzero) digits is 752640, while the sum is 44.

The spelling of 247065271442 in words is "two hundred forty-seven billion, sixty-five million, two hundred seventy-one thousand, four hundred forty-two".