1053747421109 has 2 divisors, whose sum is σ = 1053747421110. Its totient is φ = 1053747421108.

The previous prime is 1053747421091. The next prime is 1053747421171. The reversal of 1053747421109 is 9011247473501.

Together with previous prime (1053747421091) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 961386133009 + 92361288100 = 980503^2 + 303910^2 .

It is a cyclic number.

It is not a de Polignac number, because 1053747421109 - 2²⁸ = 1053478985653 is a prime.

It is a super-2 number, since 2×1053747421109² (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 1053747421109.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1053747420109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526873710554 + 526873710555.

It is an arithmetic number, because the mean of its divisors is an integer number (526873710555).

Almost surely, 2^{1053747421109} is an apocalyptic number.

It is an amenable number.

1053747421109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1053747421109 is an equidigital number, since it uses as much as digits as its factorization.

1053747421109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 211680, while the sum is 44.

The spelling of 1053747421109 in words is "one trillion, fifty-three billion, seven hundred forty-seven million, four hundred twenty-one thousand, one hundred nine".