9912755451 has 8 divisors (see below), whose sum is σ = 13220444160. Its totient is φ = 6606785192.

The previous prime is 9912755431. The next prime is 9912755453. The reversal of 9912755451 is 1545572199.

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 9912755451 - 2⁹ = 9912754939 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9912755451.

It is not an unprimeable number, because it can be changed into a prime (9912755453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 416091 + ... + 439268.

It is an arithmetic number, because the mean of its divisors is an integer number (1652555520).

Almost surely, 2^9912755451 is an apocalyptic number.

9912755451 is a deficient number, since it is larger than the sum of its proper divisors (3307688709).

9912755451 is a wasteful number, since it uses less digits than its factorization.

9912755451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859225.

The product of its digits is 567000, while the sum is 48.

The square root of 9912755451 is about 99562.8216303656. The cubic root of 9912755451 is about 2148.1509576380.

The spelling of 9912755451 in words is "nine billion, nine hundred twelve million, seven hundred fifty-five thousand, four hundred fifty-one".