2804625491 has 2 divisors, whose sum is σ = 2804625492. Its totient is φ = 2804625490.

The previous prime is 2804625479. The next prime is 2804625569. The reversal of 2804625491 is 1945264082.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2804625491 - 2¹⁸ = 2804363347 is a prime.

It is not a weakly prime, because it can be changed into another prime (2804625401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1402312745 + 1402312746.

It is an arithmetic number, because the mean of its divisors is an integer number (1402312746).

Almost surely, 2^2804625491 is an apocalyptic number.

2804625491 is a deficient number, since it is larger than the sum of its proper divisors (1).

2804625491 is an equidigital number, since it uses as much as digits as its factorization.

2804625491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 2804625491 is about 52958.7149674159. The cubic root of 2804625491 is about 1410.2354436401.

The spelling of 2804625491 in words is "two billion, eight hundred four million, six hundred twenty-five thousand, four hundred ninety-one".