13819500007 has 4 divisors (see below), whose sum is σ = 14296034520. Its totient is φ = 13342965496.

The previous prime is 13819499989. The next prime is 13819500017. The reversal of 13819500007 is 70000591831.

It is a happy number.

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 13819500007 - 2¹⁹ = 13818975719 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 (13819500017) 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, 238267213 + ... + 238267270.

It is an arithmetic number, because the mean of its divisors is an integer number (3574008630).

Almost surely, 2^13819500007 is an apocalyptic number.

13819500007 is a deficient number, since it is larger than the sum of its proper divisors (476534513).

13819500007 is an equidigital number, since it uses as much as digits as its factorization.

13819500007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476534512.

The product of its (nonzero) digits is 7560, while the sum is 34.

The spelling of 13819500007 in words is "thirteen billion, eight hundred nineteen million, five hundred thousand, seven".