4989011999831 has 2 divisors, whose sum is σ = 4989011999832. Its totient is φ = 4989011999830.

The previous prime is 4989011999779. The next prime is 4989011999833. The reversal of 4989011999831 is 1389991109894.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4989011999831 is a prime.

It is a super-2 number, since 2×4989011999831² (a number of 26 digits) contains 22 as substring.

Together with 4989011999833, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4989011999833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2494505999915 + 2494505999916.

It is an arithmetic number, because the mean of its divisors is an integer number (2494505999916).

Almost surely, 2^{4989011999831} is an apocalyptic number.

4989011999831 is a deficient number, since it is larger than the sum of its proper divisors (1).

4989011999831 is an equidigital number, since it uses as much as digits as its factorization.

4989011999831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45349632, while the sum is 71.

The spelling of 4989011999831 in words is "four trillion, nine hundred eighty-nine billion, eleven million, nine hundred ninety-nine thousand, eight hundred thirty-one".