28415462399 has 4 divisors (see below), whose sum is σ = 29395305960. Its totient is φ = 27435618840.

The previous prime is 28415462381. The next prime is 28415462441. The reversal of 28415462399 is 99326451482.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99326451482 = 2 ⋅49663225741.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28415462399 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28415462399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28415462599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 489921737 + ... + 489921794.

It is an arithmetic number, because the mean of its divisors is an integer number (7348826490).

Almost surely, 2^28415462399 is an apocalyptic number.

28415462399 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

28415462399 is a deficient number, since it is larger than the sum of its proper divisors (979843561).

28415462399 is an equidigital number, since it uses as much as digits as its factorization.

28415462399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979843560.

The product of its digits is 3732480, while the sum is 53.

The spelling of 28415462399 in words is "twenty-eight billion, four hundred fifteen million, four hundred sixty-two thousand, three hundred ninety-nine".