4998909397 has 2 divisors, whose sum is σ = 4998909398. Its totient is φ = 4998909396.

The previous prime is 4998909389. The next prime is 4998909431. The reversal of 4998909397 is 7939098994.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4029583441 + 969325956 = 63479^2 + 31134^2 .

It is a cyclic number.

It is not a de Polignac number, because 4998909397 - 2³ = 4998909389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4998909337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2499454698 + 2499454699.

It is an arithmetic number, because the mean of its divisors is an integer number (2499454699).

Almost surely, 2^4998909397 is an apocalyptic number.

It is an amenable number.

4998909397 is a deficient number, since it is larger than the sum of its proper divisors (1).

4998909397 is an equidigital number, since it uses as much as digits as its factorization.

4998909397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39680928, while the sum is 67.

The square root of 4998909397 is about 70702.9659703184. The cubic root of 4998909397 is about 1709.8516106430.

The spelling of 4998909397 in words is "four billion, nine hundred ninety-eight million, nine hundred nine thousand, three hundred ninety-seven".