13801552019 has 4 divisors (see below), whose sum is σ = 13830365760. Its totient is φ = 13772738280.

The previous prime is 13801551947. The next prime is 13801552031. The reversal of 13801552019 is 91025510831.

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

It is a cyclic number.

It is not a de Polignac number, because 13801552019 - 2²⁴ = 13784774803 is a prime.

It is a super-2 number, since 2×13801552019² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13801552019.

It is not an unprimeable number, because it can be changed into a prime (13801452019) 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, 14406152 + ... + 14407109.

It is an arithmetic number, because the mean of its divisors is an integer number (3457591440).

Almost surely, 2^13801552019 is an apocalyptic number.

13801552019 is a deficient number, since it is larger than the sum of its proper divisors (28813741).

13801552019 is an equidigital number, since it uses as much as digits as its factorization.

13801552019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28813740.

The product of its (nonzero) digits is 10800, while the sum is 35.

The spelling of 13801552019 in words is "thirteen billion, eight hundred one million, five hundred fifty-two thousand, nineteen".