21316034041370 has 16 divisors (see below), whose sum is σ = 38369135727648. Its totient is φ = 8526352626960.

The previous prime is 21316034041343. The next prime is 21316034041373. The reversal of 21316034041370 is 7314043061312.

It is a self number, because there is not a number n which added to its sum of digits gives 21316034041370.

It is not an unprimeable number, because it can be changed into a prime (21316034041373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6142076 + ... + 8964215.

It is an arithmetic number, because the mean of its divisors is an integer number (2398070982978).

Almost surely, 2^{21316034041370} is an apocalyptic number.

21316034041370 is a deficient number, since it is larger than the sum of its proper divisors (17053101686278).

21316034041370 is a wasteful number, since it uses less digits than its factorization.

21316034041370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15247405.

The product of its (nonzero) digits is 36288, while the sum is 35.

The spelling of 21316034041370 in words is "twenty-one trillion, three hundred sixteen billion, thirty-four million, forty-one thousand, three hundred seventy".