14185450491 has 16 divisors (see below), whose sum is σ = 19799769600. Its totient is φ = 9016694720.

The previous prime is 14185450481. The next prime is 14185450493. The reversal of 14185450491 is 19405458141.

It is a cyclic number.

It is not a de Polignac number, because 14185450491 - 2¹¹ = 14185448443 is a prime.

It is a super-2 number, since 2×14185450491² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (14185450493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 309066 + ... + 351983.

It is an arithmetic number, because the mean of its divisors is an integer number (1237485600).

Almost surely, 2^14185450491 is an apocalyptic number.

14185450491 is a deficient number, since it is larger than the sum of its proper divisors (5614319109).

14185450491 is a wasteful number, since it uses less digits than its factorization.

14185450491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661386.

The product of its (nonzero) digits is 115200, while the sum is 42.

The spelling of 14185450491 in words is "fourteen billion, one hundred eighty-five million, four hundred fifty thousand, four hundred ninety-one".