1373738783 has 4 divisors (see below), whose sum is σ = 1373825160. Its totient is φ = 1373652408.

The previous prime is 1373738767. The next prime is 1373738789. The reversal of 1373738783 is 3878373731.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1373738783 - 2⁴ = 1373738767 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 (1373738789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11660 + ... + 53697.

It is an arithmetic number, because the mean of its divisors is an integer number (343456290).

Almost surely, 2^1373738783 is an apocalyptic number.

1373738783 is a deficient number, since it is larger than the sum of its proper divisors (86377).

1373738783 is an equidigital number, since it uses as much as digits as its factorization.

1373738783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86376.

The product of its digits is 1778112, while the sum is 50.

The square root of 1373738783 is about 37063.9822873905. The cubic root of 1373738783 is about 1111.6499507951.

The spelling of 1373738783 in words is "one billion, three hundred seventy-three million, seven hundred thirty-eight thousand, seven hundred eighty-three".