1054403499889 has 2 divisors, whose sum is σ = 1054403499890. Its totient is φ = 1054403499888.

The previous prime is 1054403499859. The next prime is 1054403499907. The reversal of 1054403499889 is 9889943044501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 917275485025 + 137128014864 = 957745^2 + 370308^2 .

It is a cyclic number.

It is not a de Polignac number, because 1054403499889 - 2⁵ = 1054403499857 is a prime.

It is a super-2 number, since 2×1054403499889² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1054403499889.

It is not a weakly prime, because it can be changed into another prime (1054403499839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527201749944 + 527201749945.

It is an arithmetic number, because the mean of its divisors is an integer number (527201749945).

Almost surely, 2^{1054403499889} is an apocalyptic number.

It is an amenable number.

1054403499889 is a deficient number, since it is larger than the sum of its proper divisors (1).

1054403499889 is an equidigital number, since it uses as much as digits as its factorization.

1054403499889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 44789760, while the sum is 64.

The spelling of 1054403499889 in words is "one trillion, fifty-four billion, four hundred three million, four hundred ninety-nine thousand, eight hundred eighty-nine".