4839898391 has 2 divisors, whose sum is σ = 4839898392. Its totient is φ = 4839898390.

The previous prime is 4839898379. The next prime is 4839898439. The reversal of 4839898391 is 1938989384.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4839898391 - 2³⁰ = 3766156567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4839898991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2419949195 + 2419949196.

It is an arithmetic number, because the mean of its divisors is an integer number (2419949196).

Almost surely, 2^4839898391 is an apocalyptic number.

4839898391 is a deficient number, since it is larger than the sum of its proper divisors (1).

4839898391 is an equidigital number, since it uses as much as digits as its factorization.

4839898391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13436928, while the sum is 62.

The square root of 4839898391 is about 69569.3782565289. The cubic root of 4839898391 is about 1691.5262743848.

The spelling of 4839898391 in words is "four billion, eight hundred thirty-nine million, eight hundred ninety-eight thousand, three hundred ninety-one".