2103553169 has 2 divisors, whose sum is σ = 2103553170. Its totient is φ = 2103553168.

The previous prime is 2103553141. The next prime is 2103553187. The reversal of 2103553169 is 9613553012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1641303169 + 462250000 = 40513^2 + 21500^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2103553169 is a prime.

It is a super-2 number, since 2×2103553169² = 8849871869619885122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2103553069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051776584 + 1051776585.

It is an arithmetic number, because the mean of its divisors is an integer number (1051776585).

Almost surely, 2^2103553169 is an apocalyptic number.

It is an amenable number.

2103553169 is a deficient number, since it is larger than the sum of its proper divisors (1).

2103553169 is an equidigital number, since it uses as much as digits as its factorization.

2103553169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24300, while the sum is 35.

The square root of 2103553169 is about 45864.5088167310. The cubic root of 2103553169 is about 1281.3009983777.

The spelling of 2103553169 in words is "two billion, one hundred three million, five hundred fifty-three thousand, one hundred sixty-nine".