1076566973849 has 4 divisors (see below), whose sum is σ = 1087226052900. Its totient is φ = 1065907894800.

The previous prime is 1076566973827. The next prime is 1076566973897. The reversal of 1076566973849 is 9483796656701.

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 951077453824 + 125489520025 = 975232^2 + 354245^2 .

It is a cyclic number.

It is not a de Polignac number, because 1076566973849 - 2⁸ = 1076566973593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1076566973149) 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, 5329539374 + ... + 5329539575.

It is an arithmetic number, because the mean of its divisors is an integer number (271806513225).

Almost surely, 2^{1076566973849} is an apocalyptic number.

It is an amenable number.

1076566973849 is a deficient number, since it is larger than the sum of its proper divisors (10659079051).

1076566973849 is a wasteful number, since it uses less digits than its factorization.

1076566973849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10659079050.

The product of its (nonzero) digits is 411505920, while the sum is 71.

The spelling of 1076566973849 in words is "one trillion, seventy-six billion, five hundred sixty-six million, nine hundred seventy-three thousand, eight hundred forty-nine".