104002144019 has 4 divisors (see below), whose sum is σ = 106538781720. Its totient is φ = 101465506320.

The previous prime is 104002143967. The next prime is 104002144021. The reversal of 104002144019 is 910441200401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 910441200401 = 89 ⋅10229676409.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104002144019 is a prime.

It is a super-2 number, since 2×104002144019² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104002144049) 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, 1268318789 + ... + 1268318870.

It is an arithmetic number, because the mean of its divisors is an integer number (26634695430).

Almost surely, 2^104002144019 is an apocalyptic number.

104002144019 is a deficient number, since it is larger than the sum of its proper divisors (2536637701).

104002144019 is an equidigital number, since it uses as much as digits as its factorization.

104002144019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2536637700.

The product of its (nonzero) digits is 1152, while the sum is 26.

The spelling of 104002144019 in words is "one hundred four billion, two million, one hundred forty-four thousand, nineteen".