247274472138359 has 4 divisors (see below), whose sum is σ = 247280229042816. Its totient is φ = 247268715233904.

The previous prime is 247274472138329. The next prime is 247274472138377. The reversal of 247274472138359 is 953831274472742.

247274472138359 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 247274472138359 - 2²⁰ = 247274471089783 is a prime.

It is a super-2 number, since 2×247274472138359² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (247274472138329) 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, 2878387799 + ... + 2878473704.

It is an arithmetic number, because the mean of its divisors is an integer number (61820057260704).

Almost surely, 2^{247274472138359} is an apocalyptic number.

247274472138359 is a deficient number, since it is larger than the sum of its proper divisors (5756904457).

247274472138359 is an equidigital number, since it uses as much as digits as its factorization.

247274472138359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5756904456.

The product of its digits is 568995840, while the sum is 68.

The spelling of 247274472138359 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 fifty-nine".