13756297643 has 8 divisors (see below), whose sum is σ = 15889627440. Its totient is φ = 11770094080.

The previous prime is 13756297613. The next prime is 13756297649. The reversal of 13756297643 is 34679265731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13756297643 - 2⁶ = 13756297579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13756297649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36781358 + ... + 36781731.

It is an arithmetic number, because the mean of its divisors is an integer number (1986203430).

Almost surely, 2^13756297643 is an apocalyptic number.

13756297643 is a deficient number, since it is larger than the sum of its proper divisors (2133329797).

13756297643 is a wasteful number, since it uses less digits than its factorization.

13756297643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73563117.

The product of its digits is 5715360, while the sum is 53.

The spelling of 13756297643 in words is "thirteen billion, seven hundred fifty-six million, two hundred ninety-seven thousand, six hundred forty-three".