203512772159989 has 2 divisors, whose sum is σ = 203512772159990. Its totient is φ = 203512772159988.

The previous prime is 203512772159971. The next prime is 203512772160007. The reversal of 203512772159989 is 989951277215302.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (203512772159971) and next prime (203512772160007).

It can be written as a sum of positive squares in only one way, i.e., 104460316859889 + 99052455300100 = 10220583^2 + 9952510^2 .

It is a cyclic number.

It is not a de Polignac number, because 203512772159989 - 2¹⁵ = 203512772127221 is a prime.

It is a super-2 number, since 2×203512772159989² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203512772159909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101756386079994 + 101756386079995.

It is an arithmetic number, because the mean of its divisors is an integer number (101756386079995).

Almost surely, 2^{203512772159989} is an apocalyptic number.

It is an amenable number.

203512772159989 is a deficient number, since it is larger than the sum of its proper divisors (1).

203512772159989 is an equidigital number, since it uses as much as digits as its factorization.

203512772159989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 171460800, while the sum is 70.

The spelling of 203512772159989 in words is "two hundred three trillion, five hundred twelve billion, seven hundred seventy-two million, one hundred fifty-nine thousand, nine hundred eighty-nine".