190906254001 has 4 divisors (see below), whose sum is σ = 200953951600. Its totient is φ = 180858556404.

The previous prime is 190906253971. The next prime is 190906254013. The reversal of 190906254001 is 100452609091.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 190906254001 - 2⁷ = 190906253873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (190906254601) 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, 5023848771 + ... + 5023848808.

It is an arithmetic number, because the mean of its divisors is an integer number (50238487900).

Almost surely, 2^190906254001 is an apocalyptic number.

It is an amenable number.

190906254001 is a deficient number, since it is larger than the sum of its proper divisors (10047697599).

190906254001 is a wasteful number, since it uses less digits than its factorization.

190906254001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10047697598.

The product of its (nonzero) digits is 19440, while the sum is 37.

The spelling of 190906254001 in words is "one hundred ninety billion, nine hundred six million, two hundred fifty-four thousand, one".