4913687969 has 4 divisors (see below), whose sum is σ = 4964344644. Its totient is φ = 4863031296.

The previous prime is 4913687951. The next prime is 4913688011. The reversal of 4913687969 is 9697863194.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2885086369 + 2028601600 = 53713^2 + 45040^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4913687969 is a prime.

It is a super-2 number, since 2×4913687969² = 48288658913390689922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4913687069) 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, 25328192 + ... + 25328385.

It is an arithmetic number, because the mean of its divisors is an integer number (1241086161).

Almost surely, 2^4913687969 is an apocalyptic number.

It is an amenable number.

4913687969 is a deficient number, since it is larger than the sum of its proper divisors (50656675).

4913687969 is an equidigital number, since it uses as much as digits as its factorization.

4913687969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50656674.

The product of its digits is 17635968, while the sum is 62.

The square root of 4913687969 is about 70097.7030222817. The cubic root of 4913687969 is about 1700.0793468155.

The spelling of 4913687969 in words is "four billion, nine hundred thirteen million, six hundred eighty-seven thousand, nine hundred sixty-nine".