9974878752459 has 8 divisors (see below), whose sum is σ = 13309525041552. Its totient is φ = 6645075815840.

The previous prime is 9974878752451. The next prime is 9974878752481. The reversal of 9974878752459 is 9542578784799.

9974878752459 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9974878752459 - 2³ = 9974878752451 is a prime.

It is a super-2 number, since 2×9974878752459² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9974878752451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1210833312 + ... + 1210841549.

It is an arithmetic number, because the mean of its divisors is an integer number (1663690630194).

Almost surely, 2^{9974878752459} is an apocalyptic number.

9974878752459 is a deficient number, since it is larger than the sum of its proper divisors (3334646289093).

9974878752459 is a wasteful number, since it uses less digits than its factorization.

9974878752459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2421676237.

The product of its digits is 12802406400, while the sum is 84.

The spelling of 9974878752459 in words is "nine trillion, nine hundred seventy-four billion, eight hundred seventy-eight million, seven hundred fifty-two thousand, four hundred fifty-nine".