1373444426 has 8 divisors (see below), whose sum is σ = 2064947904. Its totient is φ = 685128460.

The previous prime is 1373444407. The next prime is 1373444447. The reversal of 1373444426 is 6244443731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1373444426.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 795800 + ... + 797523.

It is an arithmetic number, because the mean of its divisors is an integer number (258118488).

Almost surely, 2^1373444426 is an apocalyptic number.

1373444426 is a deficient number, since it is larger than the sum of its proper divisors (691503478).

1373444426 is a wasteful number, since it uses less digits than its factorization.

1373444426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1593756.

The product of its digits is 193536, while the sum is 38.

The square root of 1373444426 is about 37060.0111440890. The cubic root of 1373444426 is about 1111.5705457624.

The spelling of 1373444426 in words is "one billion, three hundred seventy-three million, four hundred forty-four thousand, four hundred twenty-six".