13149388743 has 4 divisors (see below), whose sum is σ = 17532518328. Its totient is φ = 8766259160.

The previous prime is 13149388727. The next prime is 13149388781. The reversal of 13149388743 is 34788394131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34788394131 = 3 ⋅11596131377.

It is a cyclic number.

It is not a de Polignac number, because 13149388743 - 2⁴ = 13149388727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13149388723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2191564788 + ... + 2191564793.

It is an arithmetic number, because the mean of its divisors is an integer number (4383129582).

Almost surely, 2^13149388743 is an apocalyptic number.

13149388743 is a deficient number, since it is larger than the sum of its proper divisors (4383129585).

13149388743 is an equidigital number, since it uses as much as digits as its factorization.

13149388743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4383129584.

The product of its digits is 1741824, while the sum is 51.

The spelling of 13149388743 in words is "thirteen billion, one hundred forty-nine million, three hundred eighty-eight thousand, seven hundred forty-three".