13144490471 has 8 divisors (see below), whose sum is σ = 15024274464. Its totient is φ = 11265206400.

The previous prime is 13144490459. The next prime is 13144490473. The reversal of 13144490471 is 17409444131.

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

It is not a de Polignac number, because 13144490471 - 2¹⁸ = 13144228327 is a prime.

It is a super-3 number, since 3×13144490471³ (a number of 31 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 (13144490473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66830 + ... + 175371.

It is an arithmetic number, because the mean of its divisors is an integer number (1878034308).

Almost surely, 2^13144490471 is an apocalyptic number.

13144490471 is a deficient number, since it is larger than the sum of its proper divisors (1879783993).

13144490471 is an equidigital number, since it uses as much as digits as its factorization.

13144490471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249961.

The product of its (nonzero) digits is 48384, while the sum is 38.

The spelling of 13144490471 in words is "thirteen billion, one hundred forty-four million, four hundred ninety thousand, four hundred seventy-one".