15334986493 has 12 divisors (see below), whose sum is σ = 16307181792. Its totient is φ = 14417800640.

The previous prime is 15334986479. The next prime is 15334986521. The reversal of 15334986493 is 39468943351.

15334986493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-15334986493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15334926493) 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 11 ways as a sum of consecutive naturals, for example, 253296 + ... + 307942.

It is an arithmetic number, because the mean of its divisors is an integer number (1358931816).

Almost surely, 2^15334986493 is an apocalyptic number.

It is an amenable number.

15334986493 is a deficient number, since it is larger than the sum of its proper divisors (972195299).

15334986493 is an equidigital number, since it uses as much as digits as its factorization.

15334986493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55652 (or 55635 counting only the distinct ones).

The product of its digits is 8398080, while the sum is 55.

The spelling of 15334986493 in words is "fifteen billion, three hundred thirty-four million, nine hundred eighty-six thousand, four hundred ninety-three".