2005898477699 has 2 divisors, whose sum is σ = 2005898477700. Its totient is φ = 2005898477698.

The previous prime is 2005898477689. The next prime is 2005898477813. The reversal of 2005898477699 is 9967748985002.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2005898477699 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2005898477629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1002949238849 + 1002949238850.

It is an arithmetic number, because the mean of its divisors is an integer number (1002949238850).

Almost surely, 2^{2005898477699} is an apocalyptic number.

2005898477699 is a deficient number, since it is larger than the sum of its proper divisors (1).

2005898477699 is an equidigital number, since it uses as much as digits as its factorization.

2005898477699 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 548674560, while the sum is 74.

The spelling of 2005898477699 in words is "two trillion, five billion, eight hundred ninety-eight million, four hundred seventy-seven thousand, six hundred ninety-nine".