9906854153472 has 54 divisors (see below), whose sum is σ = 28563902845842. Its totient is φ = 3302284717056.

The previous prime is 9906854153453. The next prime is 9906854153491. The reversal of 9906854153472 is 2743514586099.

9906854153472 is a `hidden beast` number, since 9 + 9 + 0 + 6 + 8 + 5 + 4 + 153 + 472 = 666.

It is an interprime number because it is at equal distance from previous prime (9906854153453) and next prime (9906854153491).

It can be written as a sum of positive squares in only one way, i.e., 8684007434496 + 1222846718976 = 2946864^2 + 1105824^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2149922643 + ... + 2149927250.

It is a 1-persistent number, because it is pandigital, but 2⋅9906854153472 = 19813708306944 is not.

Almost surely, 2^{9906854153472} is an apocalyptic number.

It is an amenable number.

9906854153472 is an abundant number, since it is smaller than the sum of its proper divisors (18657048692370).

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

9906854153472 is a wasteful number, since it uses less digits than its factorization.

9906854153472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4299849915 (or 4299849898 counting only the distinct ones).

The product of its (nonzero) digits is 65318400, while the sum is 63.

The spelling of 9906854153472 in words is "nine trillion, nine hundred six billion, eight hundred fifty-four million, one hundred fifty-three thousand, four hundred seventy-two".