13992043505 has 8 divisors (see below), whose sum is σ = 18316857024. Its totient is φ = 10176031600.

The previous prime is 13992043489. The next prime is 13992043553. The reversal of 13992043505 is 50534029931.

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

It is not a de Polignac number, because 13992043505 - 2⁴ = 13992043489 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127200341 + ... + 127200450.

It is an arithmetic number, because the mean of its divisors is an integer number (2289607128).

Almost surely, 2^13992043505 is an apocalyptic number.

It is an amenable number.

13992043505 is a deficient number, since it is larger than the sum of its proper divisors (4324813519).

13992043505 is a wasteful number, since it uses less digits than its factorization.

13992043505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254400807.

The product of its (nonzero) digits is 145800, while the sum is 41.

The spelling of 13992043505 in words is "thirteen billion, nine hundred ninety-two million, forty-three thousand, five hundred five".