1018211963 has 2 divisors, whose sum is σ = 1018211964. Its totient is φ = 1018211962.

The previous prime is 1018211927. The next prime is 1018211969. The reversal of 1018211963 is 3691128101.

It is a strong prime.

It is an emirp because it is prime and its reverse (3691128101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1018211963 - 2⁸ = 1018211707 is a prime.

It is not a weakly prime, because it can be changed into another prime (1018211969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 509105981 + 509105982.

It is an arithmetic number, because the mean of its divisors is an integer number (509105982).

Almost surely, 2^1018211963 is an apocalyptic number.

1018211963 is a deficient number, since it is larger than the sum of its proper divisors (1).

1018211963 is an equidigital number, since it uses as much as digits as its factorization.

1018211963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 1018211963 is about 31909.4337618203. The cubic root of 1018211963 is about 1006.0341698899.

The spelling of 1018211963 in words is "one billion, eighteen million, two hundred eleven thousand, nine hundred sixty-three".