30255275249 has 4 divisors (see below), whose sum is σ = 30276185664. Its totient is φ = 30234364836.

The previous prime is 30255275243. The next prime is 30255275293. The reversal of 30255275249 is 94257255203.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 94257255203 = 26183 ⋅3599941.

It is a cyclic number.

It is not a de Polignac number, because 30255275249 - 2⁸ = 30255274993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30255275243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10453037 + ... + 10455930.

It is an arithmetic number, because the mean of its divisors is an integer number (7569046416).

Almost surely, 2^30255275249 is an apocalyptic number.

It is an amenable number.

30255275249 is a deficient number, since it is larger than the sum of its proper divisors (20910415).

30255275249 is a wasteful number, since it uses less digits than its factorization.

30255275249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20910414.

The product of its (nonzero) digits is 756000, while the sum is 44.

The spelling of 30255275249 in words is "thirty billion, two hundred fifty-five million, two hundred seventy-five thousand, two hundred forty-nine".