802451581841 has 32 divisors (see below), whose sum is σ = 1012931136000. Its totient is φ = 618680517120.

The previous prime is 802451581823. The next prime is 802451581861. The reversal of 802451581841 is 148185154208.

It is a cyclic number.

It is not a de Polignac number, because 802451581841 - 2¹⁰ = 802451580817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (802451581861) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3002135 + ... + 3258483.

It is an arithmetic number, because the mean of its divisors is an integer number (31654098000).

Almost surely, 2^802451581841 is an apocalyptic number.

It is an amenable number.

802451581841 is a deficient number, since it is larger than the sum of its proper divisors (210479554159).

802451581841 is a wasteful number, since it uses less digits than its factorization.

802451581841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257249.

The product of its (nonzero) digits is 409600, while the sum is 47.

The spelling of 802451581841 in words is "eight hundred two billion, four hundred fifty-one million, five hundred eighty-one thousand, eight hundred forty-one".