801456769 has 4 divisors (see below), whose sum is σ = 801541296. Its totient is φ = 801372244.

The previous prime is 801456763. The next prime is 801456791. The reversal of 801456769 is 967654108.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 801456769 - 2¹¹ = 801454721 is a prime.

It is a super-2 number, since 2×801456769² = 1284665905151838722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (801456763) 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, 25939 + ... + 47704.

It is an arithmetic number, because the mean of its divisors is an integer number (200385324).

Almost surely, 2^801456769 is an apocalyptic number.

It is an amenable number.

801456769 is a deficient number, since it is larger than the sum of its proper divisors (84527).

801456769 is a wasteful number, since it uses less digits than its factorization.

801456769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84526.

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 801456769 is about 28310.0118156104. The cubic root of 801456769 is about 928.8809019386.

It can be divided in two parts, 80 and 1456769, that added together give a square (1456849 = 1207²).

The spelling of 801456769 in words is "eight hundred one million, four hundred fifty-six thousand, seven hundred sixty-nine".