9421251250 has 40 divisors (see below), whose sum is σ = 18698011596. Its totient is φ = 3546816000.

The previous prime is 9421251247. The next prime is 9421251253. The reversal of 9421251250 is 521521249.

It is an interprime number because it is at equal distance from previous prime (9421251247) and next prime (9421251253).

It can be written as a sum of positive squares in 10 ways, for example, as 2099197489 + 7322053761 = 45817^2 + 85569^2 .

It is not an unprimeable number, because it can be changed into a prime (9421251253) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 200427 + ... + 242926.

Almost surely, 2^9421251250 is an apocalyptic number.

9421251250 is a deficient number, since it is larger than the sum of its proper divisors (9276760346).

9421251250 is a wasteful number, since it uses less digits than its factorization.

9421251250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443392 (or 443377 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 9421251250 is about 97063.1302297634. The cubic root of 9421251250 is about 2112.0435156192.

Adding to 9421251250 its reverse (521521249), we get a palindrome (9942772499).

The spelling of 9421251250 in words is "nine billion, four hundred twenty-one million, two hundred fifty-one thousand, two hundred fifty".