805033302749 has 4 divisors (see below), whose sum is σ = 866958941436. Its totient is φ = 743107664064.

The previous prime is 805033302707. The next prime is 805033302757. The reversal of 805033302749 is 947203330508.

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 178014798724 + 627018504025 = 421918^2 + 791845^2 .

It is a cyclic number.

It is not a de Polignac number, because 805033302749 - 2¹² = 805033298653 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 (805033302449) 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, 30962819324 + ... + 30962819349.

It is an arithmetic number, because the mean of its divisors is an integer number (216739735359).

Almost surely, 2^805033302749 is an apocalyptic number.

It is an amenable number.

805033302749 is a deficient number, since it is larger than the sum of its proper divisors (61925638687).

805033302749 is a wasteful number, since it uses less digits than its factorization.

805033302749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61925638686.

The product of its (nonzero) digits is 544320, while the sum is 44.

The spelling of 805033302749 in words is "eight hundred five billion, thirty-three million, three hundred two thousand, seven hundred forty-nine".