5668420947 has 64 divisors (see below), whose sum is σ = 8996106240. Its totient is φ = 3108086784.

The previous prime is 5668420937. The next prime is 5668420981. The reversal of 5668420947 is 7490248665.

It is not a de Polignac number, because 5668420947 - 2¹⁴ = 5668404563 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5668420947.

It is not an unprimeable number, because it can be changed into a prime (5668420937) 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 63 ways as a sum of consecutive naturals, for example, 15196653 + ... + 15197025.

It is an arithmetic number, because the mean of its divisors is an integer number (140564160).

Almost surely, 2^5668420947 is an apocalyptic number.

5668420947 is a deficient number, since it is larger than the sum of its proper divisors (3327685293).

5668420947 is a wasteful number, since it uses less digits than its factorization.

5668420947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692.

The product of its (nonzero) digits is 2903040, while the sum is 51.

The square root of 5668420947 is about 75288.9164950592. The cubic root of 5668420947 is about 1783.0110366364.

The spelling of 5668420947 in words is "five billion, six hundred sixty-eight million, four hundred twenty thousand, nine hundred forty-seven".