8669463157541 has 4 divisors (see below), whose sum is σ = 8675045556492. Its totient is φ = 8663880758592.

The previous prime is 8669463157519. The next prime is 8669463157583. The reversal of 8669463157541 is 1457513649668.

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 3809246089441 + 4860217068100 = 1951729^2 + 2204590^2 .

It is a cyclic number.

It is not a de Polignac number, because 8669463157541 - 2²² = 8669458963237 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 (8669463157241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2791197146 + ... + 2791200251.

It is an arithmetic number, because the mean of its divisors is an integer number (2168761389123).

Almost surely, 2^{8669463157541} is an apocalyptic number.

It is an amenable number.

8669463157541 is a deficient number, since it is larger than the sum of its proper divisors (5582398951).

8669463157541 is a wasteful number, since it uses less digits than its factorization.

8669463157541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5582398950.

The product of its digits is 130636800, while the sum is 65.

The spelling of 8669463157541 in words is "eight trillion, six hundred sixty-nine billion, four hundred sixty-three million, one hundred fifty-seven thousand, five hundred forty-one".