1890047795983 has 2 divisors, whose sum is σ = 1890047795984. Its totient is φ = 1890047795982.

The previous prime is 1890047795969. The next prime is 1890047796011. The reversal of 1890047795983 is 3895977400981.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1890047795983 - 2³³ = 1881457861391 is a prime.

It is a super-2 number, since 2×1890047795983² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1890047795963) 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 as a sum of consecutive naturals, namely, 945023897991 + 945023897992.

It is an arithmetic number, because the mean of its divisors is an integer number (945023897992).

Almost surely, 2^{1890047795983} is an apocalyptic number.

1890047795983 is a deficient number, since it is larger than the sum of its proper divisors (1).

1890047795983 is an equidigital number, since it uses as much as digits as its factorization.

1890047795983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 137168640, while the sum is 70.

The spelling of 1890047795983 in words is "one trillion, eight hundred ninety billion, forty-seven million, seven hundred ninety-five thousand, nine hundred eighty-three".