1373819344 has 10 divisors (see below), whose sum is σ = 2661775010. Its totient is φ = 686909664.

The previous prime is 1373819333. The next prime is 1373819357. The reversal of 1373819344 is 4439183731.

It can be written as a sum of positive squares in only one way, i.e., 707560000 + 666259344 = 26600^2 + 25812^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1373819344.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42931839 + ... + 42931870.

It is an arithmetic number, because the mean of its divisors is an integer number (266177501).

Almost surely, 2^1373819344 is an apocalyptic number.

It is an amenable number.

1373819344 is a deficient number, since it is larger than the sum of its proper divisors (1287955666).

1373819344 is an equidigital number, since it uses as much as digits as its factorization.

1373819344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85863717 (or 85863711 counting only the distinct ones).

The product of its digits is 217728, while the sum is 43.

The square root of 1373819344 is about 37065.0690542996. The cubic root of 1373819344 is about 1111.6716807587.

The spelling of 1373819344 in words is "one billion, three hundred seventy-three million, eight hundred nineteen thousand, three hundred forty-four".