8631145606149 has 48 divisors (see below), whose sum is σ = 14186358688320. Its totient is φ = 5182109301600.

The previous prime is 8631145606147. The next prime is 8631145606159. The reversal of 8631145606149 is 9416065411368.

8631145606149 is a `hidden beast` number, since 8 + 6 + 3 + 1 + 14 + 5 + 6 + 0 + 614 + 9 = 666.

It is not a de Polignac number, because 8631145606149 - 2¹ = 8631145606147 is a prime.

It is a super-2 number, since 2×8631145606149² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8631145606095 and 8631145606104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8631145606147) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11995842 + ... + 12694979.

It is an arithmetic number, because the mean of its divisors is an integer number (295549139340).

Almost surely, 2^{8631145606149} is an apocalyptic number.

It is an amenable number.

8631145606149 is a deficient number, since it is larger than the sum of its proper divisors (5555213082171).

8631145606149 is a wasteful number, since it uses less digits than its factorization.

8631145606149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24690959 (or 24690942 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 54.

The spelling of 8631145606149 in words is "eight trillion, six hundred thirty-one billion, one hundred forty-five million, six hundred six thousand, one hundred forty-nine".