19150106413 has 4 divisors (see below), whose sum is σ = 19810454940. Its totient is φ = 18489757888.

The previous prime is 19150106363. The next prime is 19150106419. The reversal of 19150106413 is 31460105191.

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

It can be written as a sum of positive squares in 2 ways, for example, as 15492034089 + 3658072324 = 124467^2 + 60482^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19150106413 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 (19150106419) 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, 330174220 + ... + 330174277.

It is an arithmetic number, because the mean of its divisors is an integer number (4952613735).

Almost surely, 2^19150106413 is an apocalyptic number.

It is an amenable number.

19150106413 is a deficient number, since it is larger than the sum of its proper divisors (660348527).

19150106413 is an equidigital number, since it uses as much as digits as its factorization.

19150106413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660348526.

The product of its (nonzero) digits is 3240, while the sum is 31.

The spelling of 19150106413 in words is "nineteen billion, one hundred fifty million, one hundred six thousand, four hundred thirteen".