8992551541 has 2 divisors, whose sum is σ = 8992551542. Its totient is φ = 8992551540.

The previous prime is 8992551539. The next prime is 8992551551. The reversal of 8992551541 is 1451552998.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8694816516 + 297735025 = 93246^2 + 17255^2 .

It is a cyclic number.

It is not a de Polignac number, because 8992551541 - 2¹ = 8992551539 is a prime.

Together with 8992551539, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8992551551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4496275770 + 4496275771.

It is an arithmetic number, because the mean of its divisors is an integer number (4496275771).

Almost surely, 2^8992551541 is an apocalyptic number.

It is an amenable number.

8992551541 is a deficient number, since it is larger than the sum of its proper divisors (1).

8992551541 is an equidigital number, since it uses as much as digits as its factorization.

8992551541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 648000, while the sum is 49.

The square root of 8992551541 is about 94829.0648535564. The cubic root of 8992551541 is about 2079.5098343411.

The spelling of 8992551541 in words is "eight billion, nine hundred ninety-two million, five hundred fifty-one thousand, five hundred forty-one".