9960538425 has 48 divisors (see below), whose sum is σ = 17453257920. Its totient is φ = 4995082240.

The previous prime is 9960538409. The next prime is 9960538453. The reversal of 9960538425 is 5248350699.

It is not a de Polignac number, because 9960538425 - 2⁴ = 9960538409 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1632781 + ... + 1638869.

It is an arithmetic number, because the mean of its divisors is an integer number (363609540).

Almost surely, 2^9960538425 is an apocalyptic number.

It is an amenable number.

9960538425 is a deficient number, since it is larger than the sum of its proper divisors (7492719495).

9960538425 is a wasteful number, since it uses less digits than its factorization.

With its successor (9960538426) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (7397).

9960538425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7402 (or 7397 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 51.

The square root of 9960538425 is about 99802.4970879988. The cubic root of 9960538425 is about 2151.5970412791.

The spelling of 9960538425 in words is "nine billion, nine hundred sixty million, five hundred thirty-eight thousand, four hundred twenty-five".