20211313199963 has 2 divisors, whose sum is σ = 20211313199964. Its totient is φ = 20211313199962.

The previous prime is 20211313199933. The next prime is 20211313199977. The reversal of 20211313199963 is 36999131311202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20211313199963 - 2¹² = 20211313195867 is a prime.

It is not a weakly prime, because it can be changed into another prime (20211313199923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10105656599981 + 10105656599982.

It is an arithmetic number, because the mean of its divisors is an integer number (10105656599982).

Almost surely, 2^{20211313199963} is an apocalyptic number.

20211313199963 is a deficient number, since it is larger than the sum of its proper divisors (1).

20211313199963 is an equidigital number, since it uses as much as digits as its factorization.

20211313199963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 472392, while the sum is 50.

The spelling of 20211313199963 in words is "twenty trillion, two hundred eleven billion, three hundred thirteen million, one hundred ninety-nine thousand, nine hundred sixty-three".