1186290403649 has 16 divisors (see below), whose sum is σ = 1299373971840. Its totient is φ = 1076330536320.

The previous prime is 1186290403621. The next prime is 1186290403663. The reversal of 1186290403649 is 9463040926811.

It is a de Polignac number, because none of the positive numbers 2^k-1186290403649 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1186290403649.

It is not an unprimeable number, because it can be changed into a prime (1186290403049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5732909 + ... + 5936229.

It is an arithmetic number, because the mean of its divisors is an integer number (81210873240).

Almost surely, 2^{1186290403649} is an apocalyptic number.

It is an amenable number.

1186290403649 is a deficient number, since it is larger than the sum of its proper divisors (113083568191).

1186290403649 is a wasteful number, since it uses less digits than its factorization.

1186290403649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211000.

The product of its (nonzero) digits is 2239488, while the sum is 53.

The spelling of 1186290403649 in words is "one trillion, one hundred eighty-six billion, two hundred ninety million, four hundred three thousand, six hundred forty-nine".