809703058053 has 4 divisors (see below), whose sum is σ = 1079604077408. Its totient is φ = 539802038700.

The previous prime is 809703058051. The next prime is 809703058057. The reversal of 809703058053 is 350850307908.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 809703058053 - 2¹ = 809703058051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 809703057993 and 809703058011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (809703058051) 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, 134950509673 + ... + 134950509678.

It is an arithmetic number, because the mean of its divisors is an integer number (269901019352).

Almost surely, 2^809703058053 is an apocalyptic number.

It is an amenable number.

809703058053 is a deficient number, since it is larger than the sum of its proper divisors (269901019355).

809703058053 is a wasteful number, since it uses less digits than its factorization.

809703058053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269901019354.

The product of its (nonzero) digits is 907200, while the sum is 48.

The spelling of 809703058053 in words is "eight hundred nine billion, seven hundred three million, fifty-eight thousand, fifty-three".