4999130491 has 2 divisors, whose sum is σ = 4999130492. Its totient is φ = 4999130490.

The previous prime is 4999130473. The next prime is 4999130531. The reversal of 4999130491 is 1940319994.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4999130491 - 2⁵ = 4999130459 is a prime.

It is not a weakly prime, because it can be changed into another prime (4999130291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2499565245 + 2499565246.

It is an arithmetic number, because the mean of its divisors is an integer number (2499565246).

Almost surely, 2^4999130491 is an apocalyptic number.

4999130491 is a deficient number, since it is larger than the sum of its proper divisors (1).

4999130491 is an equidigital number, since it uses as much as digits as its factorization.

4999130491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 314928, while the sum is 49.

The square root of 4999130491 is about 70704.5294942269. The cubic root of 4999130491 is about 1709.8768182986.

The spelling of 4999130491 in words is "four billion, nine hundred ninety-nine million, one hundred thirty thousand, four hundred ninety-one".