1053404934809 has 4 divisors (see below), whose sum is σ = 1053410500020. Its totient is φ = 1053399369600.

The previous prime is 1053404934733. The next prime is 1053404934823. The reversal of 1053404934809 is 9084394043501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 953503425625 + 99901509184 = 976475^2 + 316072^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1053404934809 is a prime.

It is a super-2 number, since 2×1053404934809² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1053404934209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2488304 + ... + 2880705.

It is an arithmetic number, because the mean of its divisors is an integer number (263352625005).

Almost surely, 2^{1053404934809} is an apocalyptic number.

It is an amenable number.

1053404934809 is a deficient number, since it is larger than the sum of its proper divisors (5565211).

1053404934809 is an equidigital number, since it uses as much as digits as its factorization.

1053404934809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5565210.

The product of its (nonzero) digits is 1866240, while the sum is 50.

The spelling of 1053404934809 in words is "one trillion, fifty-three billion, four hundred four million, nine hundred thirty-four thousand, eight hundred nine".