28413650215 has 4 divisors (see below), whose sum is σ = 34096380264. Its totient is φ = 22730920168.

The previous prime is 28413650207. The next prime is 28413650257. The reversal of 28413650215 is 51205631482.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28413650215 - 2³ = 28413650207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2841365017 + ... + 2841365026.

It is an arithmetic number, because the mean of its divisors is an integer number (8524095066).

Almost surely, 2^28413650215 is an apocalyptic number.

28413650215 is a deficient number, since it is larger than the sum of its proper divisors (5682730049).

28413650215 is an equidigital number, since it uses as much as digits as its factorization.

28413650215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5682730048.

The product of its (nonzero) digits is 57600, while the sum is 37.

The spelling of 28413650215 in words is "twenty-eight billion, four hundred thirteen million, six hundred fifty thousand, two hundred fifteen".