202002311969 has 2 divisors, whose sum is σ = 202002311970. Its totient is φ = 202002311968.

The previous prime is 202002311933. The next prime is 202002312023. The reversal of 202002311969 is 969113200202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134477690944 + 67524621025 = 366712^2 + 259855^2 .

It is a cyclic number.

It is not a de Polignac number, because 202002311969 - 2³² = 197707344673 is a prime.

It is a super-2 number, since 2×202002311969² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (202002310969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101001155984 + 101001155985.

It is an arithmetic number, because the mean of its divisors is an integer number (101001155985).

Almost surely, 2^202002311969 is an apocalyptic number.

It is an amenable number.

202002311969 is a deficient number, since it is larger than the sum of its proper divisors (1).

202002311969 is an equidigital number, since it uses as much as digits as its factorization.

202002311969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 35.

The spelling of 202002311969 in words is "two hundred two billion, two million, three hundred eleven thousand, nine hundred sixty-nine".