1373901889 has 8 divisors (see below), whose sum is σ = 1401819048. Its totient is φ = 1346265600.

The previous prime is 1373901887. The next prime is 1373901911. The reversal of 1373901889 is 9881093731.

It can be written as a sum of positive squares in 4 ways, for example, as 975500289 + 398401600 = 31233^2 + 19960^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1373901889 - 2¹ = 1373901887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1373901887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60322 + ... + 79915.

It is an arithmetic number, because the mean of its divisors is an integer number (175227381).

Almost surely, 2^1373901889 is an apocalyptic number.

It is an amenable number.

1373901889 is a deficient number, since it is larger than the sum of its proper divisors (27917159).

1373901889 is a wasteful number, since it uses less digits than its factorization.

1373901889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140435.

The product of its (nonzero) digits is 326592, while the sum is 49.

The square root of 1373901889 is about 37066.1825522942. The cubic root of 1373901889 is about 1111.6939449915.

The spelling of 1373901889 in words is "one billion, three hundred seventy-three million, nine hundred one thousand, eight hundred eighty-nine".