1379689044 has 12 divisors (see below), whose sum is σ = 3219274464. Its totient is φ = 459896344.

The previous prime is 1379689039. The next prime is 1379689061. The reversal of 1379689044 is 4409869731.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57487032 + ... + 57487055.

It is an arithmetic number, because the mean of its divisors is an integer number (268272872).

Almost surely, 2^1379689044 is an apocalyptic number.

It is an amenable number.

1379689044 is an abundant number, since it is smaller than the sum of its proper divisors (1839585420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1379689044 is a wasteful number, since it uses less digits than its factorization.

1379689044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114974094 (or 114974092 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 51.

The square root of 1379689044 is about 37144.1656791481. The cubic root of 1379689044 is about 1113.2526523898.

The spelling of 1379689044 in words is "one billion, three hundred seventy-nine million, six hundred eighty-nine thousand, forty-four".