5765621306 has 4 divisors (see below), whose sum is σ = 8648431962. Its totient is φ = 2882810652.

The previous prime is 5765621291. The next prime is 5765621339. The reversal of 5765621306 is 6031265675.

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

It can be written as a sum of positive squares in only one way, i.e., 4569084025 + 1196537281 = 67595^2 + 34591^2 .

It is a super-2 number, since 2×5765621306² = 66484778088402291272, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1441405325 + ... + 1441405328.

Almost surely, 2^5765621306 is an apocalyptic number.

5765621306 is a deficient number, since it is larger than the sum of its proper divisors (2882810656).

5765621306 is a wasteful number, since it uses less digits than its factorization.

5765621306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2882810655.

The product of its (nonzero) digits is 226800, while the sum is 41.

The square root of 5765621306 is about 75931.6884179458. The cubic root of 5765621306 is about 1793.1448420698.

The spelling of 5765621306 in words is "five billion, seven hundred sixty-five million, six hundred twenty-one thousand, three hundred six".