1047666676291 has 4 divisors (see below), whose sum is σ = 1047668724000. Its totient is φ = 1047664628584.

The previous prime is 1047666676213. The next prime is 1047666676307. The reversal of 1047666676291 is 1926766667401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1047666676291 - 2²¹ = 1047664579139 is a prime.

It is a super-2 number, since 2×1047666676291² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1047666670291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 474870 + ... + 1523428.

It is an arithmetic number, because the mean of its divisors is an integer number (261917181000).

Almost surely, 2^{1047666676291} is an apocalyptic number.

1047666676291 is a deficient number, since it is larger than the sum of its proper divisors (2047709).

1047666676291 is an equidigital number, since it uses as much as digits as its factorization.

1047666676291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2047708.

The product of its (nonzero) digits is 27433728, while the sum is 61.

The spelling of 1047666676291 in words is "one trillion, forty-seven billion, six hundred sixty-six million, six hundred seventy-six thousand, two hundred ninety-one".