1369494773 has 12 divisors (see below), whose sum is σ = 1435453068. Its totient is φ = 1306451520.

The previous prime is 1369494767. The next prime is 1369494793. The reversal of 1369494773 is 3774949631.

It can be written as a sum of positive squares in 2 ways, for example, as 1118367364 + 251127409 = 33442^2 + 15847^2 .

It is not a de Polignac number, because 1369494773 - 2⁴ = 1369494757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1369494703) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 206753 + ... + 213273.

It is an arithmetic number, because the mean of its divisors is an integer number (119621089).

Almost surely, 2^1369494773 is an apocalyptic number.

It is an amenable number.

1369494773 is a deficient number, since it is larger than the sum of its proper divisors (65958295).

1369494773 is an equidigital number, since it uses as much as digits as its factorization.

1369494773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6964 (or 6941 counting only the distinct ones).

The product of its digits is 3429216, while the sum is 53.

The square root of 1369494773 is about 37006.6855176197. The cubic root of 1369494773 is about 1110.5039977832.

The spelling of 1369494773 in words is "one billion, three hundred sixty-nine million, four hundred ninety-four thousand, seven hundred seventy-three".