2089908451 has 2 divisors, whose sum is σ = 2089908452. Its totient is φ = 2089908450.

The previous prime is 2089908449. The next prime is 2089908467. The reversal of 2089908451 is 1548099802.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2089908451 - 2¹ = 2089908449 is a prime.

It is a super-2 number, since 2×2089908451² = 8735434667122438802, which contains 22 as substring.

Together with 2089908449, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2089918451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1044954225 + 1044954226.

It is an arithmetic number, because the mean of its divisors is an integer number (1044954226).

Almost surely, 2^2089908451 is an apocalyptic number.

2089908451 is a deficient number, since it is larger than the sum of its proper divisors (1).

2089908451 is an equidigital number, since it uses as much as digits as its factorization.

2089908451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 207360, while the sum is 46.

The square root of 2089908451 is about 45715.5165233862. The cubic root of 2089908451 is about 1278.5245961989.

The spelling of 2089908451 in words is "two billion, eighty-nine million, nine hundred eight thousand, four hundred fifty-one".