802451984641 has 4 divisors (see below), whose sum is σ = 802457366272. Its totient is φ = 802446603012.

The previous prime is 802451984597. The next prime is 802451984669. The reversal of 802451984641 is 146489154208.

802451984641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a cyclic number.

It is not a de Polignac number, because 802451984641 - 2⁹ = 802451984129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (802451484641) 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, 2460585 + ... + 2767558.

It is an arithmetic number, because the mean of its divisors is an integer number (200614341568).

Almost surely, 2^802451984641 is an apocalyptic number.

It is an amenable number.

802451984641 is a deficient number, since it is larger than the sum of its proper divisors (5381631).

802451984641 is a wasteful number, since it uses less digits than its factorization.

802451984641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5381630.

The product of its (nonzero) digits is 2211840, while the sum is 52.

The spelling of 802451984641 in words is "eight hundred two billion, four hundred fifty-one million, nine hundred eighty-four thousand, six hundred forty-one".