802639304851 has 16 divisors (see below), whose sum is σ = 838365591168. Its totient is φ = 767764108800.

The previous prime is 802639304843. The next prime is 802639304881. The reversal of 802639304851 is 158403936208.

802639304851 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 802639304851 - 2³ = 802639304843 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 802639304795 and 802639304804.

It is not an unprimeable number, because it can be changed into a prime (802639304821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 270150 + ... + 1295476.

It is an arithmetic number, because the mean of its divisors is an integer number (52397849448).

Almost surely, 2^802639304851 is an apocalyptic number.

802639304851 is a deficient number, since it is larger than the sum of its proper divisors (35726286317).

802639304851 is a wasteful number, since it uses less digits than its factorization.

802639304851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025742.

The product of its (nonzero) digits is 1244160, while the sum is 49.

The spelling of 802639304851 in words is "eight hundred two billion, six hundred thirty-nine million, three hundred four thousand, eight hundred fifty-one".