8372745541 has 2 divisors, whose sum is σ = 8372745542. Its totient is φ = 8372745540.

The previous prime is 8372745539. The next prime is 8372745551. The reversal of 8372745541 is 1455472738.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5394314916 + 2978430625 = 73446^2 + 54575^2 .

It is a cyclic number.

It is not a de Polignac number, because 8372745541 - 2¹ = 8372745539 is a prime.

Together with 8372745539, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 8372745491 and 8372745500.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8372745551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4186372770 + 4186372771.

It is an arithmetic number, because the mean of its divisors is an integer number (4186372771).

Almost surely, 2^8372745541 is an apocalyptic number.

It is an amenable number.

8372745541 is a deficient number, since it is larger than the sum of its proper divisors (1).

8372745541 is an equidigital number, since it uses as much as digits as its factorization.

8372745541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 940800, while the sum is 46.

The square root of 8372745541 is about 91502.7078342494. The cubic root of 8372745541 is about 2030.5918131002.

The spelling of 8372745541 in words is "eight billion, three hundred seventy-two million, seven hundred forty-five thousand, five hundred forty-one".