2453695121 has 2 divisors, whose sum is σ = 2453695122. Its totient is φ = 2453695120.

The previous prime is 2453695117. The next prime is 2453695129. The reversal of 2453695121 is 1215963542.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1579665025 + 874030096 = 39745^2 + 29564^2 .

It is a cyclic number.

It is not a de Polignac number, because 2453695121 - 2² = 2453695117 is a prime.

It is not a weakly prime, because it can be changed into another prime (2453695129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1226847560 + 1226847561.

It is an arithmetic number, because the mean of its divisors is an integer number (1226847561).

Almost surely, 2^2453695121 is an apocalyptic number.

It is an amenable number.

2453695121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2453695121 is an equidigital number, since it uses as much as digits as its factorization.

2453695121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64800, while the sum is 38.

The square root of 2453695121 is about 49534.7869784458. The cubic root of 2453695121 is about 1348.7771498144. Note that the first 3 decimals are identical.

The spelling of 2453695121 in words is "two billion, four hundred fifty-three million, six hundred ninety-five thousand, one hundred twenty-one".