14891794995 has 64 divisors (see below), whose sum is σ = 30209863680. Its totient is φ = 6083875200.

The previous prime is 14891794993. The next prime is 14891795003. The reversal of 14891794995 is 59949719841.

It is a happy number.

It is not a de Polignac number, because 14891794995 - 2¹ = 14891794993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14891794993) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 41121 + ... + 177410.

It is an arithmetic number, because the mean of its divisors is an integer number (472029120).

Almost surely, 2^14891794995 is an apocalyptic number.

14891794995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

14891794995 is an abundant number, since it is smaller than the sum of its proper divisors (15318068685).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14891794995 is a wasteful number, since it uses less digits than its factorization.

14891794995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218616.

The product of its digits is 29393280, while the sum is 66.

The spelling of 14891794995 in words is "fourteen billion, eight hundred ninety-one million, seven hundred ninety-four thousand, nine hundred ninety-five".