9250008421 has 4 divisors (see below), whose sum is σ = 9339814432. Its totient is φ = 9160202412.

The previous prime is 9250008419. The next prime is 9250008437. The reversal of 9250008421 is 1248000529.

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.

It is not a de Polignac number, because 9250008421 - 2¹ = 9250008419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9250008451) 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, 44902851 + ... + 44903056.

It is an arithmetic number, because the mean of its divisors is an integer number (2334953608).

Almost surely, 2^9250008421 is an apocalyptic number.

It is an amenable number.

9250008421 is a deficient number, since it is larger than the sum of its proper divisors (89806011).

9250008421 is a wasteful number, since it uses less digits than its factorization.

9250008421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89806010.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 9250008421 is about 96176.9640870411. The cubic root of 9250008421 is about 2099.1688639165.

The spelling of 9250008421 in words is "nine billion, two hundred fifty million, eight thousand, four hundred twenty-one".