202143101969 has 2 divisors, whose sum is σ = 202143101970. Its totient is φ = 202143101968.

The previous prime is 202143101947. The next prime is 202143102023. The reversal of 202143101969 is 969101341202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 193248160000 + 8894941969 = 439600^2 + 94313^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202143101969 is a prime.

It is a super-2 number, since 2×202143101969² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (202143101869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101071550984 + 101071550985.

It is an arithmetic number, because the mean of its divisors is an integer number (101071550985).

Almost surely, 2^202143101969 is an apocalyptic number.

It is an amenable number.

202143101969 is a deficient number, since it is larger than the sum of its proper divisors (1).

202143101969 is an equidigital number, since it uses as much as digits as its factorization.

202143101969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 38.

The spelling of 202143101969 in words is "two hundred two billion, one hundred forty-three million, one hundred one thousand, nine hundred sixty-nine".