802004395391 has 8 divisors (see below), whose sum is σ = 829737341280. Its totient is φ = 774276624352.

The previous prime is 802004395373. The next prime is 802004395403. The reversal of 802004395391 is 193593400208.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 802004395391 - 2¹⁸ = 802004133247 is a prime.

It is a super-2 number, since 2×802004395391² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (802004395321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 977075 + ... + 1599588.

It is an arithmetic number, because the mean of its divisors is an integer number (103717167660).

Almost surely, 2^802004395391 is an apocalyptic number.

802004395391 is a deficient number, since it is larger than the sum of its proper divisors (27732945889).

802004395391 is a wasteful number, since it uses less digits than its factorization.

802004395391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2587425.

The product of its (nonzero) digits is 233280, while the sum is 44.

Adding to 802004395391 its reverse (193593400208), we get a palindrome (995597795599).

The spelling of 802004395391 in words is "eight hundred two billion, four million, three hundred ninety-five thousand, three hundred ninety-one".