19213198001 has 8 divisors (see below), whose sum is σ = 19884282600. Its totient is φ = 18542684160.

The previous prime is 19213197973. The next prime is 19213198021. The reversal of 19213198001 is 10089131291.

It can be written as a sum of positive squares in 4 ways, for example, as 8976615025 + 10236582976 = 94745^2 + 101176^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19213198001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19213198021) 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, 73616 + ... + 209393.

It is an arithmetic number, because the mean of its divisors is an integer number (2485535325).

Almost surely, 2^19213198001 is an apocalyptic number.

It is an amenable number.

19213198001 is a deficient number, since it is larger than the sum of its proper divisors (671084599).

19213198001 is a wasteful number, since it uses less digits than its factorization.

19213198001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285379.

The product of its (nonzero) digits is 3888, while the sum is 35.

The spelling of 19213198001 in words is "nineteen billion, two hundred thirteen million, one hundred ninety-eight thousand, one".