190919190001 has 8 divisors (see below), whose sum is σ = 191933913600. Its totient is φ = 189904624560.

The previous prime is 190919189971. The next prime is 190919190023. The reversal of 190919190001 is 100091919091.

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-190919190001 is a prime.

It is a super-2 number, since 2×190919190001² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (190919190031) 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, 2997555 + ... + 3060583.

It is an arithmetic number, because the mean of its divisors is an integer number (23991739200).

Almost surely, 2^190919190001 is an apocalyptic number.

It is an amenable number.

190919190001 is a deficient number, since it is larger than the sum of its proper divisors (1014723599).

190919190001 is a wasteful number, since it uses less digits than its factorization.

190919190001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79079.

The product of its (nonzero) digits is 6561, while the sum is 40.

The spelling of 190919190001 in words is "one hundred ninety billion, nine hundred nineteen million, one hundred ninety thousand, one".