28566653413 has 8 divisors (see below), whose sum is σ = 28733877920. Its totient is φ = 28399729680.

The previous prime is 28566653399. The next prime is 28566653431. The reversal of 28566653413 is 31435666582.

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

It is a cyclic number.

It is not a de Polignac number, because 28566653413 - 2²¹ = 28564556261 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 (28566653483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116743 + ... + 266011.

It is an arithmetic number, because the mean of its divisors is an integer number (3591734740).

Almost surely, 2^28566653413 is an apocalyptic number.

It is an amenable number.

28566653413 is a deficient number, since it is larger than the sum of its proper divisors (167224507).

28566653413 is a wasteful number, since it uses less digits than its factorization.

28566653413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150387.

The product of its digits is 3110400, while the sum is 49.

The spelling of 28566653413 in words is "twenty-eight billion, five hundred sixty-six million, six hundred fifty-three thousand, four hundred thirteen".