4900001009 has 2 divisors, whose sum is σ = 4900001010. Its totient is φ = 4900001008.

The previous prime is 4900000939. The next prime is 4900001023. The reversal of 4900001009 is 9001000094.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4432230625 + 467770384 = 66575^2 + 21628^2 .

It is a cyclic number.

It is not a de Polignac number, because 4900001009 - 2³² = 605033713 is a prime.

It is not a weakly prime, because it can be changed into another prime (4900001039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2450000504 + 2450000505.

It is an arithmetic number, because the mean of its divisors is an integer number (2450000505).

Almost surely, 2^4900001009 is an apocalyptic number.

It is an amenable number.

4900001009 is a deficient number, since it is larger than the sum of its proper divisors (1).

4900001009 is an equidigital number, since it uses as much as digits as its factorization.

4900001009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 4900001009 is about 70000.0072071425. The cubic root of 4900001009 is about 1698.4993688259.

The spelling of 4900001009 in words is "four billion, nine hundred million, one thousand, nine".