14925971819 has 6 divisors (see below), whose sum is σ = 16406233620. Its totient is φ = 13569065180.

The previous prime is 14925971779. The next prime is 14925971821. The reversal of 14925971819 is 91817952941.

It is a happy number.

14925971819 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 14925971819 - 2¹⁶ = 14925906283 is a prime.

It is a super-2 number, since 2×14925971819² (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 (14925971849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61677449 + ... + 61677690.

It is an arithmetic number, because the mean of its divisors is an integer number (2734372270).

Almost surely, 2^14925971819 is an apocalyptic number.

14925971819 is a deficient number, since it is larger than the sum of its proper divisors (1480261801).

14925971819 is a wasteful number, since it uses less digits than its factorization.

14925971819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123355161 (or 123355150 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 56.

The spelling of 14925971819 in words is "fourteen billion, nine hundred twenty-five million, nine hundred seventy-one thousand, eight hundred nineteen".