9974265138436 has 9 divisors (see below), whose sum is σ = 17454975045991. Its totient is φ = 4987129411012.

The previous prime is 9974265138407. The next prime is 9974265138437. The reversal of 9974265138436 is 6348315624799.

The square root of 9974265138436 is 3158206.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9974265138437) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 5526861 + ... + 7105963.

Almost surely, 2^{9974265138436} is an apocalyptic number.

9974265138436 is the 3158206-th square number.

It is an amenable number.

9974265138436 is a deficient number, since it is larger than the sum of its proper divisors (7480709907555).

9974265138436 is an frugal number, since it uses more digits than its factorization.

9974265138436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3158210 (or 1579105 counting only the distinct ones).

The product of its digits is 235146240, while the sum is 67.

The spelling of 9974265138436 in words is "nine trillion, nine hundred seventy-four billion, two hundred sixty-five million, one hundred thirty-eight thousand, four hundred thirty-six".