4098208691 has 2 divisors, whose sum is σ = 4098208692. Its totient is φ = 4098208690.

The previous prime is 4098208643. The next prime is 4098208703. The reversal of 4098208691 is 1968028904.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4098208691 - 2¹⁰ = 4098207667 is a prime.

It is a super-3 number, since 3×4098208691³ (a number of 30 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (4098208601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2049104345 + 2049104346.

It is an arithmetic number, because the mean of its divisors is an integer number (2049104346).

Almost surely, 2^4098208691 is an apocalyptic number.

4098208691 is a deficient number, since it is larger than the sum of its proper divisors (1).

4098208691 is an equidigital number, since it uses as much as digits as its factorization.

4098208691 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 248832, while the sum is 47.

The square root of 4098208691 is about 64017.2530729022. The cubic root of 4098208691 is about 1600.2875382969.

The spelling of 4098208691 in words is "four billion, ninety-eight million, two hundred eight thousand, six hundred ninety-one".