1890983559449 has 8 divisors (see below), whose sum is σ = 1911963227328. Its totient is φ = 1870118849200.

The previous prime is 1890983559427. The next prime is 1890983559499. The reversal of 1890983559449 is 9449553890981.

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 1890983559449 - 2⁸ = 1890983559193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1890983559419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28706327 + ... + 28772124.

It is an arithmetic number, because the mean of its divisors is an integer number (238995403416).

Almost surely, 2^{1890983559449} is an apocalyptic number.

It is an amenable number.

1890983559449 is a deficient number, since it is larger than the sum of its proper divisors (20979667879).

1890983559449 is a wasteful number, since it uses less digits than its factorization.

1890983559449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57478815.

The product of its (nonzero) digits is 503884800, while the sum is 74.

The spelling of 1890983559449 in words is "one trillion, eight hundred ninety billion, nine hundred eighty-three million, five hundred fifty-nine thousand, four hundred forty-nine".