795745019521 has 4 divisors (see below), whose sum is σ = 795863141892. Its totient is φ = 795626897152.

The previous prime is 795745019479. The next prime is 795745019527. The reversal of 795745019521 is 125910547597.

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 679818389121 + 115926630400 = 824511^2 + 340480^2 .

It is a cyclic number.

It is not a de Polignac number, because 795745019521 - 2¹³ = 795745011329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (795745019527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59051080 + ... + 59064553.

It is an arithmetic number, because the mean of its divisors is an integer number (198965785473).

Almost surely, 2^795745019521 is an apocalyptic number.

It is an amenable number.

795745019521 is a deficient number, since it is larger than the sum of its proper divisors (118122371).

795745019521 is a wasteful number, since it uses less digits than its factorization.

795745019521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118122370.

The product of its (nonzero) digits is 3969000, while the sum is 55.

The spelling of 795745019521 in words is "seven hundred ninety-five billion, seven hundred forty-five million, nineteen thousand, five hundred twenty-one".