247274472138361 has 8 divisors (see below), whose sum is σ = 268685334752000. Its totient is φ = 226703251195920.

The previous prime is 247274472138329. The next prime is 247274472138377. The reversal of 247274472138361 is 163831274472742.

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

It is a cyclic number.

It is not a de Polignac number, because 247274472138361 - 2⁵ = 247274472138329 is a prime.

It is a super-2 number, since 2×247274472138361² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 247274472138361.

It is not an unprimeable number, because it can be changed into a prime (247274472138301) 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 7 ways as a sum of consecutive naturals, for example, 209910417186 + ... + 209910418363.

It is an arithmetic number, because the mean of its divisors is an integer number (33585666844000).

Almost surely, 2^{247274472138361} is an apocalyptic number.

It is an amenable number.

247274472138361 is a deficient number, since it is larger than the sum of its proper divisors (21410862613639).

247274472138361 is a wasteful number, since it uses less digits than its factorization.

247274472138361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419820835599.

The product of its digits is 75866112, while the sum is 61.

The spelling of 247274472138361 in words is "two hundred forty-seven trillion, two hundred seventy-four billion, four hundred seventy-two million, one hundred thirty-eight thousand, three hundred sixty-one".