5676388621 has 4 divisors (see below), whose sum is σ = 6010293852. Its totient is φ = 5342483392.

The previous prime is 5676388609. The next prime is 5676388657. The reversal of 5676388621 is 1268836765.

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 4895800900 + 780587721 = 69970^2 + 27939^2 .

It is a cyclic number.

It is not a de Polignac number, because 5676388621 - 2¹³ = 5676380429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5676388691) 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, 166952590 + ... + 166952623.

It is an arithmetic number, because the mean of its divisors is an integer number (1502573463).

Almost surely, 2^5676388621 is an apocalyptic number.

It is an amenable number.

5676388621 is a deficient number, since it is larger than the sum of its proper divisors (333905231).

5676388621 is a wasteful number, since it uses less digits than its factorization.

5676388621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333905230.

The product of its digits is 2903040, while the sum is 52.

The square root of 5676388621 is about 75341.8119041479. The cubic root of 5676388621 is about 1783.8460604576.

The spelling of 5676388621 in words is "five billion, six hundred seventy-six million, three hundred eighty-eight thousand, six hundred twenty-one".