10316603621 has 2 divisors, whose sum is σ = 10316603622. Its totient is φ = 10316603620.

The previous prime is 10316603581. The next prime is 10316603669. The reversal of 10316603621 is 12630661301.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10283988100 + 32615521 = 101410^2 + 5711^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10316603621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10316603021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5158301810 + 5158301811.

It is an arithmetic number, because the mean of its divisors is an integer number (5158301811).

Almost surely, 2^10316603621 is an apocalyptic number.

It is an amenable number.

10316603621 is a deficient number, since it is larger than the sum of its proper divisors (1).

10316603621 is an equidigital number, since it uses as much as digits as its factorization.

10316603621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 29.

The spelling of 10316603621 in words is "ten billion, three hundred sixteen million, six hundred three thousand, six hundred twenty-one".