4909814813 has 4 divisors (see below), whose sum is σ = 5068195968. Its totient is φ = 4751433660.

The previous prime is 4909814783. The next prime is 4909814837. The reversal of 4909814813 is 3184189094.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3184189094 = 2 ⋅1592094547.

It is a cyclic number.

It is not a de Polignac number, because 4909814813 - 2²⁸ = 4641379357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4909814113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79190531 + ... + 79190592.

It is an arithmetic number, because the mean of its divisors is an integer number (1267048992).

Almost surely, 2^4909814813 is an apocalyptic number.

It is an amenable number.

4909814813 is a deficient number, since it is larger than the sum of its proper divisors (158381155).

4909814813 is a wasteful number, since it uses less digits than its factorization.

4909814813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158381154.

The product of its (nonzero) digits is 248832, while the sum is 47.

The square root of 4909814813 is about 70070.0707363707. The cubic root of 4909814813 is about 1699.6325403015.

The spelling of 4909814813 in words is "four billion, nine hundred nine million, eight hundred fourteen thousand, eight hundred thirteen".