14985660491 has 8 divisors (see below), whose sum is σ = 15055220544. Its totient is φ = 14916188160.

The previous prime is 14985660461. The next prime is 14985660559. The reversal of 14985660491 is 19406658941.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14985660491 is a prime.

It is a super-2 number, since 2×14985660491² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14985660401) 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, 333806 + ... + 376028.

It is an arithmetic number, because the mean of its divisors is an integer number (1881902568).

Almost surely, 2^14985660491 is an apocalyptic number.

14985660491 is a deficient number, since it is larger than the sum of its proper divisors (69560053).

14985660491 is a wasteful number, since it uses less digits than its factorization.

14985660491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43861.

The product of its (nonzero) digits is 1866240, while the sum is 53.

The spelling of 14985660491 in words is "fourteen billion, nine hundred eighty-five million, six hundred sixty thousand, four hundred ninety-one".