8104493545 has 4 divisors (see below), whose sum is σ = 9725392260. Its totient is φ = 6483594832.

The previous prime is 8104493543. The next prime is 8104493557. The reversal of 8104493545 is 5453944018.

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 3346391104 + 4758102441 = 57848^2 + 68979^2 .

It is a cyclic number.

It is not a de Polignac number, because 8104493545 - 2¹ = 8104493543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8104493543) 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, 810449350 + ... + 810449359.

It is an arithmetic number, because the mean of its divisors is an integer number (2431348065).

Almost surely, 2^8104493545 is an apocalyptic number.

It is an amenable number.

8104493545 is a deficient number, since it is larger than the sum of its proper divisors (1620898715).

8104493545 is a wasteful number, since it uses less digits than its factorization.

8104493545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1620898714.

The product of its (nonzero) digits is 345600, while the sum is 43.

The square root of 8104493545 is about 90024.9606775810. The cubic root of 8104493545 is about 2008.6701553077.

The spelling of 8104493545 in words is "eight billion, one hundred four million, four hundred ninety-three thousand, five hundred forty-five".