19190347201 has 8 divisors (see below), whose sum is σ = 20320436520. Its totient is φ = 18060396288.

The previous prime is 19190347193. The next prime is 19190347213. The reversal of 19190347201 is 10274309191.

It can be written as a sum of positive squares in 4 ways, for example, as 7102444176 + 12087903025 = 84276^2 + 109945^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 19190347201 - 2³ = 19190347193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19190347261) 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, 426655 + ... + 469483.

It is an arithmetic number, because the mean of its divisors is an integer number (2540054565).

Almost surely, 2^19190347201 is an apocalyptic number.

It is an amenable number.

19190347201 is a deficient number, since it is larger than the sum of its proper divisors (1130089319).

19190347201 is a wasteful number, since it uses less digits than its factorization.

19190347201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69203.

The product of its (nonzero) digits is 13608, while the sum is 37.

The spelling of 19190347201 in words is "nineteen billion, one hundred ninety million, three hundred forty-seven thousand, two hundred one".