14914781386 has 16 divisors (see below), whose sum is σ = 23589403200. Its totient is φ = 7052971968.

The previous prime is 14914781381. The next prime is 14914781407. The reversal of 14914781386 is 68318741941.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (14914781381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 308406 + ... + 353473.

It is an arithmetic number, because the mean of its divisors is an integer number (1474337700).

Almost surely, 2^14914781386 is an apocalyptic number.

14914781386 is a deficient number, since it is larger than the sum of its proper divisors (8674621814).

14914781386 is a wasteful number, since it uses less digits than its factorization.

14914781386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662493.

The product of its digits is 1161216, while the sum is 52.

The spelling of 14914781386 in words is "fourteen billion, nine hundred fourteen million, seven hundred eighty-one thousand, three hundred eighty-six".