8945450251 has 4 divisors (see below), whose sum is σ = 8953025904. Its totient is φ = 8937874600.

The previous prime is 8945450243. The next prime is 8945450257. The reversal of 8945450251 is 1520545498.

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 8945450251 - 2³ = 8945450243 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8945450198 and 8945450207.

It is not an unprimeable number, because it can be changed into a prime (8945450257) 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, 3786055 + ... + 3788416.

It is an arithmetic number, because the mean of its divisors is an integer number (2238256476).

Almost surely, 2^8945450251 is an apocalyptic number.

8945450251 is a deficient number, since it is larger than the sum of its proper divisors (7575653).

8945450251 is a wasteful number, since it uses less digits than its factorization.

8945450251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7575652.

The product of its (nonzero) digits is 288000, while the sum is 43.

The square root of 8945450251 is about 94580.3904147155. The cubic root of 8945450251 is about 2075.8727833502.

The spelling of 8945450251 in words is "eight billion, nine hundred forty-five million, four hundred fifty thousand, two hundred fifty-one".