15494423386 has 16 divisors (see below), whose sum is σ = 26117691264. Its totient is φ = 6840347184.

The previous prime is 15494423381. The next prime is 15494423459. The reversal of 15494423386 is 68332449451.

15494423386 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (15494423381) 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 7 ways as a sum of consecutive naturals, for example, 12954606 + ... + 12955801.

It is an arithmetic number, because the mean of its divisors is an integer number (1632355704).

Almost surely, 2^15494423386 is an apocalyptic number.

15494423386 is a deficient number, since it is larger than the sum of its proper divisors (10623267878).

15494423386 is a wasteful number, since it uses less digits than its factorization.

15494423386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25910445.

The product of its digits is 2488320, while the sum is 49.

The spelling of 15494423386 in words is "fifteen billion, four hundred ninety-four million, four hundred twenty-three thousand, three hundred eighty-six".