14491345938138 has 48 divisors (see below), whose sum is σ = 32411763910656. Its totient is φ = 4674481803360.

The previous prime is 14491345938071. The next prime is 14491345938151. The reversal of 14491345938138 is 83183954319441.

14491345938138 is a `hidden beast` number, since 1 + 4 + 4 + 9 + 1 + 3 + 4 + 593 + 8 + 1 + 38 = 666.

It is a super-2 number, since 2×14491345938138² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18255831 + ... + 19033077.

It is an arithmetic number, because the mean of its divisors is an integer number (675245081472).

Almost surely, 2^{14491345938138} is an apocalyptic number.

14491345938138 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

14491345938138 is an abundant number, since it is smaller than the sum of its proper divisors (17920417972518).

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

14491345938138 is a wasteful number, since it uses less digits than its factorization.

14491345938138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810699 (or 810696 counting only the distinct ones).

The product of its digits is 44789760, while the sum is 63.

The spelling of 14491345938138 in words is "fourteen trillion, four hundred ninety-one billion, three hundred forty-five million, nine hundred thirty-eight thousand, one hundred thirty-eight".