1376964449 has 8 divisors (see below), whose sum is σ = 1585687488. Its totient is φ = 1171244880.

The previous prime is 1376964443. The next prime is 1376964451. The reversal of 1376964449 is 9444696731.

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 1376964449 - 2¹² = 1376960353 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1376964449.

It is not an unprimeable number, because it can be changed into a prime (1376964443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 749882 + ... + 751715.

It is an arithmetic number, because the mean of its divisors is an integer number (198210936).

Almost surely, 2^1376964449 is an apocalyptic number.

It is an amenable number.

1376964449 is a deficient number, since it is larger than the sum of its proper divisors (208723039).

1376964449 is a wasteful number, since it uses less digits than its factorization.

1376964449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1501735.

The product of its digits is 3919104, while the sum is 53.

The square root of 1376964449 is about 37107.4716061334. The cubic root of 1376964449 is about 1112.5193563774.

The spelling of 1376964449 in words is "one billion, three hundred seventy-six million, nine hundred sixty-four thousand, four hundred forty-nine".