9121970430 has 48 divisors (see below), whose sum is σ = 24748308000. Its totient is φ = 2326762944.

The previous prime is 9121970423. The next prime is 9121970437. The reversal of 9121970430 is 340791219.

9121970430 is a `hidden beast` number, since 9 + 1 + 219 + 7 + 0 + 430 = 666.

It is an interprime number because it is at equal distance from previous prime (9121970423) and next prime (9121970437).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9121970437) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2201305 + ... + 2205444.

It is an arithmetic number, because the mean of its divisors is an integer number (515589750).

Almost surely, 2^9121970430 is an apocalyptic number.

9121970430 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

9121970430 is an abundant number, since it is smaller than the sum of its proper divisors (15626337570).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9121970430 is a wasteful number, since it uses less digits than its factorization.

9121970430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4406785 (or 4406782 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 9121970430 is about 95509.0070621614. The cubic root of 9121970430 is about 2089.4383104800.

The spelling of 9121970430 in words is "nine billion, one hundred twenty-one million, nine hundred seventy thousand, four hundred thirty".