9725124536 has 8 divisors (see below), whose sum is σ = 18234608520. Its totient is φ = 4862562264.

The previous prime is 9725124517. The next prime is 9725124547. The reversal of 9725124536 is 6354215279.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607820276 + ... + 607820291.

It is an arithmetic number, because the mean of its divisors is an integer number (2279326065).

Almost surely, 2^9725124536 is an apocalyptic number.

It is an amenable number.

9725124536 is a deficient number, since it is larger than the sum of its proper divisors (8509483984).

9725124536 is a wasteful number, since it uses less digits than its factorization.

9725124536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1215640573 (or 1215640569 counting only the distinct ones).

The product of its digits is 453600, while the sum is 44.

The square root of 9725124536 is about 98616.0460371435. The cubic root of 9725124536 is about 2134.5109667571.

The spelling of 9725124536 in words is "nine billion, seven hundred twenty-five million, one hundred twenty-four thousand, five hundred thirty-six".