802963139805 has 24 divisors (see below), whose sum is σ = 1393974124920. Its totient is φ = 427578900480.

The previous prime is 802963139779. The next prime is 802963139831. The reversal of 802963139805 is 508931369208.

It is an interprime number because it is at equal distance from previous prime (802963139779) and next prime (802963139831).

It can be written as a sum of positive squares in 4 ways, for example, as 346499404164 + 456463735641 = 588642^2 + 675621^2 .

It is not a de Polignac number, because 802963139805 - 2¹⁶ = 802963074269 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13889740 + ... + 13947429.

It is an arithmetic number, because the mean of its divisors is an integer number (58082255205).

Almost surely, 2^802963139805 is an apocalyptic number.

It is an amenable number.

802963139805 is a deficient number, since it is larger than the sum of its proper divisors (591010985115).

802963139805 is a wasteful number, since it uses less digits than its factorization.

802963139805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27837821 (or 27837818 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 54.

The spelling of 802963139805 in words is "eight hundred two billion, nine hundred sixty-three million, one hundred thirty-nine thousand, eight hundred five".