190925341889 has 4 divisors (see below), whose sum is σ = 192028956756. Its totient is φ = 189821727024.

The previous prime is 190925341861. The next prime is 190925341903. The reversal of 190925341889 is 988143529091.

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 177718735489 + 13206606400 = 421567^2 + 114920^2 .

It is a cyclic number.

It is not a de Polignac number, because 190925341889 - 2³⁶ = 122205865153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (190925341829) 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, 551807174 + ... + 551807519.

It is an arithmetic number, because the mean of its divisors is an integer number (48007239189).

Almost surely, 2^190925341889 is an apocalyptic number.

It is an amenable number.

190925341889 is a deficient number, since it is larger than the sum of its proper divisors (1103614867).

190925341889 is a wasteful number, since it uses less digits than its factorization.

190925341889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1103614866.

The product of its (nonzero) digits is 5598720, while the sum is 59.

The spelling of 190925341889 in words is "one hundred ninety billion, nine hundred twenty-five million, three hundred forty-one thousand, eight hundred eighty-nine".