5670388691 has 4 divisors (see below), whose sum is σ = 6185878584. Its totient is φ = 5154898800.

The previous prime is 5670388681. The next prime is 5670388721. The reversal of 5670388691 is 1968830765.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 5670388691 - 2⁶ = 5670388627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5670388681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257744930 + ... + 257744951.

It is an arithmetic number, because the mean of its divisors is an integer number (1546469646).

Almost surely, 2^5670388691 is an apocalyptic number.

5670388691 is a deficient number, since it is larger than the sum of its proper divisors (515489893).

5670388691 is a wasteful number, since it uses less digits than its factorization.

5670388691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515489892.

The product of its (nonzero) digits is 2177280, while the sum is 53.

The square root of 5670388691 is about 75301.9833138544. The cubic root of 5670388691 is about 1783.2173317933.

The spelling of 5670388691 in words is "five billion, six hundred seventy million, three hundred eighty-eight thousand, six hundred ninety-one".