13493339890 has 16 divisors (see below), whose sum is σ = 24392256408. Its totient is φ = 5374170496.

The previous prime is 13493339879. The next prime is 13493339921. The reversal of 13493339890 is 9893339431.

It can be written as a sum of positive squares in 4 ways, for example, as 8548296849 + 4945043041 = 92457^2 + 70321^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2893237 + ... + 2897896.

Almost surely, 2^13493339890 is an apocalyptic number.

13493339890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13493339890 is a deficient number, since it is larger than the sum of its proper divisors (10898916518).

13493339890 is a wasteful number, since it uses less digits than its factorization.

13493339890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5791373.

The product of its (nonzero) digits is 1889568, while the sum is 52.

The spelling of 13493339890 in words is "thirteen billion, four hundred ninety-three million, three hundred thirty-nine thousand, eight hundred ninety".