2103452009 has 2 divisors, whose sum is σ = 2103452010. Its totient is φ = 2103452008.

The previous prime is 2103451993. The next prime is 2103452017. The reversal of 2103452009 is 9002543012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1205131225 + 898320784 = 34715^2 + 29972^2 .

It is a cyclic number.

It is not a de Polignac number, because 2103452009 - 2⁴ = 2103451993 is a prime.

It is a super-2 number, since 2×2103452009² = 8849020708332272162, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2103452609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051726004 + 1051726005.

It is an arithmetic number, because the mean of its divisors is an integer number (1051726005).

Almost surely, 2^2103452009 is an apocalyptic number.

It is an amenable number.

2103452009 is a deficient number, since it is larger than the sum of its proper divisors (1).

2103452009 is an equidigital number, since it uses as much as digits as its factorization.

2103452009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 2103452009 is about 45863.4059899611. The cubic root of 2103452009 is about 1281.2804587675.

The spelling of 2103452009 in words is "two billion, one hundred three million, four hundred fifty-two thousand, nine".