203203013239969 has 2 divisors, whose sum is σ = 203203013239970. Its totient is φ = 203203013239968.

The previous prime is 203203013239883. The next prime is 203203013240047. The reversal of 203203013239969 is 969932310302302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 185261689321569 + 17941323918400 = 13611087^2 + 4235720^2 .

It is a cyclic number.

It is not a de Polignac number, because 203203013239969 - 2⁴¹ = 201003989984417 is a prime.

It is a super-2 number, since 2×203203013239969² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (203203013239769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101601506619984 + 101601506619985.

It is an arithmetic number, because the mean of its divisors is an integer number (101601506619985).

Almost surely, 2^{203203013239969} is an apocalyptic number.

It is an amenable number.

203203013239969 is a deficient number, since it is larger than the sum of its proper divisors (1).

203203013239969 is an equidigital number, since it uses as much as digits as its factorization.

203203013239969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2834352, while the sum is 52.

The spelling of 203203013239969 in words is "two hundred three trillion, two hundred three billion, thirteen million, two hundred thirty-nine thousand, nine hundred sixty-nine".