21162713030 has 16 divisors (see below), whose sum is σ = 38903371200. Its totient is φ = 8284976832.

The previous prime is 21162713027. The next prime is 21162713071. The reversal of 21162713030 is 3031726112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22513055 + ... + 22513994.

It is an arithmetic number, because the mean of its divisors is an integer number (2431460700).

Almost surely, 2^21162713030 is an apocalyptic number.

21162713030 is a deficient number, since it is larger than the sum of its proper divisors (17740658170).

21162713030 is a wasteful number, since it uses less digits than its factorization.

21162713030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45027103.

The product of its (nonzero) digits is 1512, while the sum is 26.

The spelling of 21162713030 in words is "twenty-one billion, one hundred sixty-two million, seven hundred thirteen thousand, thirty".