11726407349 has 4 divisors (see below), whose sum is σ = 11726627136. Its totient is φ = 11726187564.

The previous prime is 11726407333. The next prime is 11726407397. The reversal of 11726407349 is 94370462711.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11726407349 - 2⁴ = 11726407333 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 (11726407249) 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, 26882 + ... + 155484.

It is an arithmetic number, because the mean of its divisors is an integer number (2931656784).

Almost surely, 2^11726407349 is an apocalyptic number.

It is an amenable number.

11726407349 is a deficient number, since it is larger than the sum of its proper divisors (219787).

11726407349 is an equidigital number, since it uses as much as digits as its factorization.

11726407349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219786.

The product of its (nonzero) digits is 254016, while the sum is 44.

The spelling of 11726407349 in words is "eleven billion, seven hundred twenty-six million, four hundred seven thousand, three hundred forty-nine".