1374644489 has 8 divisors (see below), whose sum is σ = 1389178752. Its totient is φ = 1360133280.

The previous prime is 1374644443. The next prime is 1374644503. The reversal of 1374644489 is 9844464731.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1374644489 is a prime.

It is a super-2 number, since 2×1374644489² = 3779294942276142242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1374644989) 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, 131012 + ... + 141114.

It is an arithmetic number, because the mean of its divisors is an integer number (173647344).

Almost surely, 2^1374644489 is an apocalyptic number.

It is an amenable number.

1374644489 is a deficient number, since it is larger than the sum of its proper divisors (14534263).

1374644489 is a wasteful number, since it uses less digits than its factorization.

1374644489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11527.

The product of its digits is 2322432, while the sum is 50.

The square root of 1374644489 is about 37076.1984162346. The cubic root of 1374644489 is about 1111.8942007347.

The spelling of 1374644489 in words is "one billion, three hundred seventy-four million, six hundred forty-four thousand, four hundred eighty-nine".