4901098721 has 2 divisors, whose sum is σ = 4901098722. Its totient is φ = 4901098720.

The previous prime is 4901098703. The next prime is 4901098739. The reversal of 4901098721 is 1278901094.

It is a balanced prime because it is at equal distance from previous prime (4901098703) and next prime (4901098739).

It can be written as a sum of positive squares in only one way, i.e., 3106390225 + 1794708496 = 55735^2 + 42364^2 .

It is a cyclic number.

It is not a de Polignac number, because 4901098721 - 2¹⁰ = 4901097697 is a prime.

It is a Sophie Germain prime.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (4901098751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2450549360 + 2450549361.

It is an arithmetic number, because the mean of its divisors is an integer number (2450549361).

Almost surely, 2^4901098721 is an apocalyptic number.

It is an amenable number.

4901098721 is a deficient number, since it is larger than the sum of its proper divisors (1).

4901098721 is an equidigital number, since it uses as much as digits as its factorization.

4901098721 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 41.

The square root of 4901098721 is about 70007.8475672549. The cubic root of 4901098721 is about 1698.6261935568.

The spelling of 4901098721 in words is "four billion, nine hundred one million, ninety-eight thousand, seven hundred twenty-one".