14213779398 has 160 divisors (see below), whose sum is σ = 39279550464. Its totient is φ = 3741018048.

The previous prime is 14213779379. The next prime is 14213779399. The reversal of 14213779398 is 89397731241.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14213779399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 13075611 + ... + 13076697.

Almost surely, 2^14213779398 is an apocalyptic number.

14213779398 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 14213779398, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19639775232).

14213779398 is an abundant number, since it is smaller than the sum of its proper divisors (25065771066).

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

14213779398 is a wasteful number, since it uses less digits than its factorization.

14213779398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2008 (or 1999 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 54.

The spelling of 14213779398 in words is "fourteen billion, two hundred thirteen million, seven hundred seventy-nine thousand, three hundred ninety-eight".