247347146042 has 8 divisors (see below), whose sum is σ = 371023250196. Its totient is φ = 123672729312.

The previous prime is 247347146041. The next prime is 247347146087. The reversal of 247347146042 is 240641743742.

It can be written as a sum of positive squares in 2 ways, for example, as 247019934121 + 327211921 = 497011^2 + 18089^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×247347146042² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 247347145984 and 247347146002.

It is not an unprimeable number, because it can be changed into a prime (247347146041) 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, 50288 + ... + 705140.

Almost surely, 2^247347146042 is an apocalyptic number.

247347146042 is a deficient number, since it is larger than the sum of its proper divisors (123676104154).

247347146042 is a wasteful number, since it uses less digits than its factorization.

247347146042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 843712.

The product of its (nonzero) digits is 903168, while the sum is 44.

Adding to 247347146042 its reverse (240641743742), we get a palindrome (487988889784).

The spelling of 247347146042 in words is "two hundred forty-seven billion, three hundred forty-seven million, one hundred forty-six thousand, forty-two".