28714193469 has 16 divisors (see below), whose sum is σ = 45811819200. Its totient is φ = 17670272688.

The previous prime is 28714193449. The next prime is 28714193477. The reversal of 28714193469 is 96439141782.

28714193469 is a `hidden beast` number, since 2 + 87 + 14 + 1 + 93 + 469 = 666.

It is not a de Polignac number, because 28714193469 - 2²⁰ = 28713144893 is a prime.

It is a super-2 number, since 2×28714193469² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28714193449) 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, 40903059 + ... + 40903760.

It is an arithmetic number, because the mean of its divisors is an integer number (2863238700).

Almost surely, 2^28714193469 is an apocalyptic number.

It is an amenable number.

28714193469 is a deficient number, since it is larger than the sum of its proper divisors (17097625731).

28714193469 is a wasteful number, since it uses less digits than its factorization.

28714193469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81806841 (or 81806835 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The spelling of 28714193469 in words is "twenty-eight billion, seven hundred fourteen million, one hundred ninety-three thousand, four hundred sixty-nine".