4961812899 has 16 divisors (see below), whose sum is σ = 7027751808. Its totient is φ = 3103143552.

The previous prime is 4961812897. The next prime is 4961812901. The reversal of 4961812899 is 9982181694.

It is an interprime number because it is at equal distance from previous prime (4961812897) and next prime (4961812901).

It is not a de Polignac number, because 4961812899 - 2¹ = 4961812897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4961812897) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142797 + ... + 174110.

It is an arithmetic number, because the mean of its divisors is an integer number (439234488).

Almost surely, 2^4961812899 is an apocalyptic number.

4961812899 is a deficient number, since it is larger than the sum of its proper divisors (2065938909).

4961812899 is a wasteful number, since it uses less digits than its factorization.

4961812899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317234.

The product of its digits is 2239488, while the sum is 57.

The square root of 4961812899 is about 70440.1369887935. The cubic root of 4961812899 is about 1705.6115485538.

The spelling of 4961812899 in words is "four billion, nine hundred sixty-one million, eight hundred twelve thousand, eight hundred ninety-nine".