5266621385 has 8 divisors (see below), whose sum is σ = 6357790656. Its totient is φ = 4188067120.

The previous prime is 5266621361. The next prime is 5266621411. The reversal of 5266621385 is 5831266625.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-5266621385 is a prime.

It is a Duffinian number.

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 in 7 ways as a sum of consecutive naturals, for example, 3152831 + ... + 3154500.

It is an arithmetic number, because the mean of its divisors is an integer number (794723832).

Almost surely, 2^5266621385 is an apocalyptic number.

It is an amenable number.

5266621385 is a deficient number, since it is larger than the sum of its proper divisors (1091169271).

5266621385 is a wasteful number, since it uses less digits than its factorization.

5266621385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6307503.

The product of its digits is 518400, while the sum is 44.

The square root of 5266621385 is about 72571.4915445452. The cubic root of 5266621385 is about 1739.8455608952.

The spelling of 5266621385 in words is "five billion, two hundred sixty-six million, six hundred twenty-one thousand, three hundred eighty-five".