1295536773 has 4 divisors (see below), whose sum is σ = 1727382368. Its totient is φ = 863691180.

The previous prime is 1295536769. The next prime is 1295536789. The reversal of 1295536773 is 3776355921.

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 1295536773 - 2² = 1295536769 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1295536703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215922793 + ... + 215922798.

It is an arithmetic number, because the mean of its divisors is an integer number (431845592).

Almost surely, 2^1295536773 is an apocalyptic number.

It is an amenable number.

1295536773 is a deficient number, since it is larger than the sum of its proper divisors (431845595).

1295536773 is an equidigital number, since it uses as much as digits as its factorization.

1295536773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431845594.

The product of its digits is 1190700, while the sum is 48.

The square root of 1295536773 is about 35993.5657166666. The cubic root of 1295536773 is about 1090.1424421765.

The spelling of 1295536773 in words is "one billion, two hundred ninety-five million, five hundred thirty-six thousand, seven hundred seventy-three".