8669131545 has 16 divisors (see below), whose sum is σ = 13881981312. Its totient is φ = 4619746560.

The previous prime is 8669131477. The next prime is 8669131591. The reversal of 8669131545 is 5451319668.

It is not a de Polignac number, because 8669131545 - 2⁷ = 8669131417 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8669131494 and 8669131503.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 217936 + ... + 254625.

It is an arithmetic number, because the mean of its divisors is an integer number (867623832).

Almost surely, 2^8669131545 is an apocalyptic number.

It is an amenable number.

8669131545 is a deficient number, since it is larger than the sum of its proper divisors (5212849767).

8669131545 is a wasteful number, since it uses less digits than its factorization.

8669131545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473792.

The product of its digits is 777600, while the sum is 48.

The square root of 8669131545 is about 93108.1712042504. The cubic root of 8669131545 is about 2054.2747637686.

The spelling of 8669131545 in words is "eight billion, six hundred sixty-nine million, one hundred thirty-one thousand, five hundred forty-five".