190590399449 has 8 divisors (see below), whose sum is σ = 195848465088. Its totient is φ = 185337964080.

The previous prime is 190590399421. The next prime is 190590399479. The reversal of 190590399449 is 944993095091.

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 190590399449 - 2⁸ = 190590399193 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 190590399391 and 190590399400.

It is not an unprimeable number, because it can be changed into a prime (190590399479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1338887 + ... + 1474380.

It is an arithmetic number, because the mean of its divisors is an integer number (24481058136).

Almost surely, 2^190590399449 is an apocalyptic number.

It is an amenable number.

190590399449 is a deficient number, since it is larger than the sum of its proper divisors (5258065639).

190590399449 is a wasteful number, since it uses less digits than its factorization.

190590399449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2815135.

The product of its (nonzero) digits is 14171760, while the sum is 62.

The spelling of 190590399449 in words is "one hundred ninety billion, five hundred ninety million, three hundred ninety-nine thousand, four hundred forty-nine".