2040452129 has 2 divisors, whose sum is σ = 2040452130. Its totient is φ = 2040452128.

The previous prime is 2040452119. The next prime is 2040452131. The reversal of 2040452129 is 9212540402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1149549025 + 890903104 = 33905^2 + 29848^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2040452129 is a prime.

Together with 2040452131, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2040452119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1020226064 + 1020226065.

It is an arithmetic number, because the mean of its divisors is an integer number (1020226065).

Almost surely, 2^2040452129 is an apocalyptic number.

It is an amenable number.

2040452129 is a deficient number, since it is larger than the sum of its proper divisors (1).

2040452129 is an equidigital number, since it uses as much as digits as its factorization.

2040452129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 2040452129 is about 45171.3640374076. The cubic root of 2040452129 is about 1268.3588301444.

The spelling of 2040452129 in words is "two billion, forty million, four hundred fifty-two thousand, one hundred twenty-nine".