4309686881 has 4 divisors (see below), whose sum is σ = 4563197892. Its totient is φ = 4056175872.

The previous prime is 4309686869. The next prime is 4309686883. The reversal of 4309686881 is 1886869034.

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 3201862225 + 1107824656 = 56585^2 + 33284^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4309686881 is a prime.

It is a super-2 number, since 2×4309686881² = 37146802024527016322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4309686883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126755480 + ... + 126755513.

It is an arithmetic number, because the mean of its divisors is an integer number (1140799473).

Almost surely, 2^4309686881 is an apocalyptic number.

It is an amenable number.

4309686881 is a deficient number, since it is larger than the sum of its proper divisors (253511011).

4309686881 is a wasteful number, since it uses less digits than its factorization.

4309686881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253511010.

The product of its (nonzero) digits is 1990656, while the sum is 53.

The square root of 4309686881 is about 65648.2054667148. The cubic root of 4309686881 is about 1627.3535135573.

The spelling of 4309686881 in words is "four billion, three hundred nine million, six hundred eighty-six thousand, eight hundred eighty-one".