13132400849 has 4 divisors (see below), whose sum is σ = 13135027620. Its totient is φ = 13129774080.

The previous prime is 13132400833. The next prime is 13132400863. The reversal of 13132400849 is 94800423131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8241916225 + 4890484624 = 90785^2 + 69932^2 .

It is a cyclic number.

It is not a de Polignac number, because 13132400849 - 2⁴ = 13132400833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13132400549) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1305872 + ... + 1315889.

It is an arithmetic number, because the mean of its divisors is an integer number (3283756905).

Almost surely, 2^13132400849 is an apocalyptic number.

It is an amenable number.

13132400849 is a deficient number, since it is larger than the sum of its proper divisors (2626771).

13132400849 is an equidigital number, since it uses as much as digits as its factorization.

13132400849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2626770.

The product of its (nonzero) digits is 20736, while the sum is 35.

The spelling of 13132400849 in words is "thirteen billion, one hundred thirty-two million, four hundred thousand, eight hundred forty-nine".