4999731564609 has 12 divisors (see below), whose sum is σ = 7222580896596. Its totient is φ = 3332809877472.

The previous prime is 4999731564559. The next prime is 4999731564637. The reversal of 4999731564609 is 9064651379994.

4999731564609 is a `hidden beast` number, since 4 + 9 + 9 + 9 + 7 + 3 + 1 + 5 + 6 + 4 + 609 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1110395385009 + 3889336179600 = 1053753^2 + 1972140^2 .

It is not a de Polignac number, because 4999731564609 - 2²⁷ = 4999597346881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4999731564409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28616314 + ... + 28790499.

It is an arithmetic number, because the mean of its divisors is an integer number (601881741383).

Almost surely, 2^{4999731564609} is an apocalyptic number.

It is an amenable number.

4999731564609 is a deficient number, since it is larger than the sum of its proper divisors (2222849331987).

4999731564609 is a wasteful number, since it uses less digits than its factorization.

4999731564609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57416496 (or 57416493 counting only the distinct ones).

The product of its (nonzero) digits is 396809280, while the sum is 72.

The spelling of 4999731564609 in words is "four trillion, nine hundred ninety-nine billion, seven hundred thirty-one million, five hundred sixty-four thousand, six hundred nine".