27143472407 has 4 divisors (see below), whose sum is σ = 27143822376. Its totient is φ = 27143122440.

The previous prime is 27143472353. The next prime is 27143472451. The reversal of 27143472407 is 70427434172.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 27143472407 - 2¹⁴ = 27143456023 is a prime.

It is a super-3 number, since 3×27143472407³ (a number of 32 digits) contains 333 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 (27143478407) 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, 944 + ... + 232997.

It is an arithmetic number, because the mean of its divisors is an integer number (6785955594).

Almost surely, 2^27143472407 is an apocalyptic number.

27143472407 is a deficient number, since it is larger than the sum of its proper divisors (349969).

27143472407 is a wasteful number, since it uses less digits than its factorization.

27143472407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349968.

The product of its (nonzero) digits is 263424, while the sum is 41.

The spelling of 27143472407 in words is "twenty-seven billion, one hundred forty-three million, four hundred seventy-two thousand, four hundred seven".