19018211007 has 8 divisors (see below), whose sum is σ = 25619033776. Its totient is φ = 12548097792.

The previous prime is 19018210993. The next prime is 19018211027. The reversal of 19018211007 is 70011281091.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 19018211007 - 2⁶ = 19018210943 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 (19018211027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32677048 + ... + 32677629.

It is an arithmetic number, because the mean of its divisors is an integer number (3202379222).

Almost surely, 2^19018211007 is an apocalyptic number.

19018211007 is a deficient number, since it is larger than the sum of its proper divisors (6600822769).

19018211007 is an equidigital number, since it uses as much as digits as its factorization.

19018211007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65354777.

The product of its (nonzero) digits is 1008, while the sum is 30.

Adding to 19018211007 its reverse (70011281091), we get a palindrome (89029492098).

The spelling of 19018211007 in words is "nineteen billion, eighteen million, two hundred eleven thousand, seven".