13868349413 has 4 divisors (see below), whose sum is σ = 14598262560. Its totient is φ = 13138436268.

The previous prime is 13868349409. The next prime is 13868349419. The reversal of 13868349413 is 31494386831.

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, and also an emirpimes, since its reverse is a distinct semiprime: 31494386831 = 29 ⋅1086013339.

It is a cyclic number.

It is not a de Polignac number, because 13868349413 - 2² = 13868349409 is a prime.

It is a super-2 number, since 2×13868349413² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13868349419) 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, 364956545 + ... + 364956582.

It is an arithmetic number, because the mean of its divisors is an integer number (3649565640).

Almost surely, 2^13868349413 is an apocalyptic number.

It is an amenable number.

13868349413 is a deficient number, since it is larger than the sum of its proper divisors (729913147).

13868349413 is an equidigital number, since it uses as much as digits as its factorization.

13868349413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729913146.

The product of its digits is 1492992, while the sum is 50.

The spelling of 13868349413 in words is "thirteen billion, eight hundred sixty-eight million, three hundred forty-nine thousand, four hundred thirteen".