821364010 has 48 divisors (see below), whose sum is σ = 1604219904. Its totient is φ = 302590208.

The previous prime is 821364007. The next prime is 821364031. The reversal of 821364010 is 10463128.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 132807 + ... + 138853.

It is an arithmetic number, because the mean of its divisors is an integer number (33421248).

Almost surely, 2^821364010 is an apocalyptic number.

821364010 is a deficient number, since it is larger than the sum of its proper divisors (782855894).

821364010 is a wasteful number, since it uses less digits than its factorization.

821364010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6135 (or 6118 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 821364010 is about 28659.4488781623. The cubic root of 821364010 is about 936.5088585319.

The spelling of 821364010 in words is "eight hundred twenty-one million, three hundred sixty-four thousand, ten".