13404740347 has 4 divisors (see below), whose sum is σ = 13405032760. Its totient is φ = 13404447936.

The previous prime is 13404740341. The next prime is 13404740353. The reversal of 13404740347 is 74304740431.

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

It is an interprime number because it is at equal distance from previous prime (13404740341) and next prime (13404740353).

It is a cyclic number.

It is not a de Polignac number, because 13404740347 - 2³ = 13404740339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13404740341) 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, 60822 + ... + 174667.

It is an arithmetic number, because the mean of its divisors is an integer number (3351258190).

Almost surely, 2^13404740347 is an apocalyptic number.

13404740347 is a deficient number, since it is larger than the sum of its proper divisors (292413).

13404740347 is an equidigital number, since it uses as much as digits as its factorization.

13404740347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292412.

The product of its (nonzero) digits is 112896, while the sum is 37.

The spelling of 13404740347 in words is "thirteen billion, four hundred four million, seven hundred forty thousand, three hundred forty-seven".