14171929780 has 48 divisors (see below), whose sum is σ = 31518587520. Its totient is φ = 5341362048.

The previous prime is 14171929763. The next prime is 14171929781. The reversal of 14171929780 is 8792917141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14171929781) 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 15 ways as a sum of consecutive naturals, for example, 199095 + ... + 260734.

It is an arithmetic number, because the mean of its divisors is an integer number (656637240).

Almost surely, 2^14171929780 is an apocalyptic number.

14171929780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14171929780 is an abundant number, since it is smaller than the sum of its proper divisors (17346657740).

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

14171929780 is a wasteful number, since it uses less digits than its factorization.

14171929780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459928 (or 459926 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 49.

The spelling of 14171929780 in words is "fourteen billion, one hundred seventy-one million, nine hundred twenty-nine thousand, seven hundred eighty".