10491890226053 has 2 divisors, whose sum is σ = 10491890226054. Its totient is φ = 10491890226052.

The previous prime is 10491890226029. The next prime is 10491890226061. The reversal of 10491890226053 is 35062209819401.

10491890226053 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8217292362724 + 2274597863329 = 2866582^2 + 1508177^2 .

It is a cyclic number.

It is not a de Polignac number, because 10491890226053 - 2¹⁶ = 10491890160517 is a prime.

It is a super-2 number, since 2×10491890226053² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10491890225992 and 10491890226010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10491890226073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5245945113026 + 5245945113027.

It is an arithmetic number, because the mean of its divisors is an integer number (5245945113027).

Almost surely, 2^{10491890226053} is an apocalyptic number.

It is an amenable number.

10491890226053 is a deficient number, since it is larger than the sum of its proper divisors (1).

10491890226053 is an equidigital number, since it uses as much as digits as its factorization.

10491890226053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 933120, while the sum is 50.

The spelling of 10491890226053 in words is "ten trillion, four hundred ninety-one billion, eight hundred ninety million, two hundred twenty-six thousand, fifty-three".