28573464999 has 16 divisors (see below), whose sum is σ = 39267915264. Its totient is φ = 18472792800.

The previous prime is 28573464991. The next prime is 28573465057. The reversal of 28573464999 is 99946437582.

It is not a de Polignac number, because 28573464999 - 2³ = 28573464991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28573464991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1086579 + ... + 1112564.

It is an arithmetic number, because the mean of its divisors is an integer number (2454244704).

Almost surely, 2^28573464999 is an apocalyptic number.

28573464999 is a deficient number, since it is larger than the sum of its proper divisors (10694450265).

28573464999 is a wasteful number, since it uses less digits than its factorization.

28573464999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2199278.

The product of its digits is 117573120, while the sum is 66.

The spelling of 28573464999 in words is "twenty-eight billion, five hundred seventy-three million, four hundred sixty-four thousand, nine hundred ninety-nine".