9618269971047 has 8 divisors (see below), whose sum is σ = 13041721994880. Its totient is φ = 6303498963960.

The previous prime is 9618269971031. The next prime is 9618269971073. The reversal of 9618269971047 is 7401799628169.

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

It is not a de Polignac number, because 9618269971047 - 2⁴ = 9618269971031 is a prime.

It is a super-2 number, since 2×9618269971047² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9618269971087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27170253979 + ... + 27170254332.

It is an arithmetic number, because the mean of its divisors is an integer number (1630215249360).

Almost surely, 2^{9618269971047} is an apocalyptic number.

9618269971047 is a deficient number, since it is larger than the sum of its proper divisors (3423452023833).

9618269971047 is a wasteful number, since it uses less digits than its factorization.

9618269971047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54340508373.

The product of its (nonzero) digits is 82301184, while the sum is 69.

The spelling of 9618269971047 in words is "nine trillion, six hundred eighteen billion, two hundred sixty-nine million, nine hundred seventy-one thousand, forty-seven".