28646009051 has 8 divisors (see below), whose sum is σ = 31976940864. Its totient is φ = 25436202120.

The previous prime is 28646009047. The next prime is 28646009071. The reversal of 28646009051 is 15090064682.

It is a happy number.

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 28646009051 - 2² = 28646009047 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28646009071) 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, 30280721 + ... + 30281666.

It is an arithmetic number, because the mean of its divisors is an integer number (3997117608).

Almost surely, 2^28646009051 is an apocalyptic number.

28646009051 is a deficient number, since it is larger than the sum of its proper divisors (3330931813).

28646009051 is a wasteful number, since it uses less digits than its factorization.

28646009051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60562441.

The product of its (nonzero) digits is 103680, while the sum is 41.

The spelling of 28646009051 in words is "twenty-eight billion, six hundred forty-six million, nine thousand, fifty-one".