13689078746749 has 16 divisors (see below), whose sum is σ = 16152316051456. Its totient is φ = 11352895167600.

The previous prime is 13689078746723. The next prime is 13689078746767. The reversal of 13689078746749 is 94764787098631.

It is not a de Polignac number, because 13689078746749 - 2²¹ = 13689076649597 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 (13689078746779) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4660167 + ... + 7006804.

It is an arithmetic number, because the mean of its divisors is an integer number (1009519753216).

Almost surely, 2^{13689078746749} is an apocalyptic number.

It is an amenable number.

13689078746749 is a deficient number, since it is larger than the sum of its proper divisors (2463237304707).

13689078746749 is a wasteful number, since it uses less digits than its factorization.

13689078746749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11672416.

The product of its (nonzero) digits is 3072577536, while the sum is 79.

The spelling of 13689078746749 in words is "thirteen trillion, six hundred eighty-nine billion, seventy-eight million, seven hundred forty-six thousand, seven hundred forty-nine".