8947236323149 has 4 divisors (see below), whose sum is σ = 9035822821500. Its totient is φ = 8858649824800.

The previous prime is 8947236323141. The next prime is 8947236323159. The reversal of 8947236323149 is 9413236327498.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8206677972900 + 740558350249 = 2864730^2 + 860557^2 .

It is a cyclic number.

It is not a de Polignac number, because 8947236323149 - 2³ = 8947236323141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8947236323141) 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 3 ways as a sum of consecutive naturals, for example, 44293249024 + ... + 44293249225.

It is an arithmetic number, because the mean of its divisors is an integer number (2258955705375).

Almost surely, 2^{8947236323149} is an apocalyptic number.

It is an amenable number.

8947236323149 is a deficient number, since it is larger than the sum of its proper divisors (88586498351).

8947236323149 is a wasteful number, since it uses less digits than its factorization.

8947236323149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88586498350.

The product of its digits is 47029248, while the sum is 61.

The spelling of 8947236323149 in words is "eight trillion, nine hundred forty-seven billion, two hundred thirty-six million, three hundred twenty-three thousand, one hundred forty-nine".