13671490573 has 4 divisors (see below), whose sum is σ = 14723143708. Its totient is φ = 12619837440.

The previous prime is 13671490541. The next prime is 13671490583. The reversal of 13671490573 is 37509417631.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2130930244 + 11540560329 = 46162^2 + 107427^2 .

It is a cyclic number.

It is not a de Polignac number, because 13671490573 - 2⁵ = 13671490541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13671490583) 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, 525826548 + ... + 525826573.

It is an arithmetic number, because the mean of its divisors is an integer number (3680785927).

Almost surely, 2^13671490573 is an apocalyptic number.

13671490573 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13671490573 is a deficient number, since it is larger than the sum of its proper divisors (1051653135).

13671490573 is a wasteful number, since it uses less digits than its factorization.

13671490573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051653134.

The product of its (nonzero) digits is 476280, while the sum is 46.

The spelling of 13671490573 in words is "thirteen billion, six hundred seventy-one million, four hundred ninety thousand, five hundred seventy-three".