1489974969 has 16 divisors (see below), whose sum is σ = 2273745920. Its totient is φ = 850173840.

The previous prime is 1489974953. The next prime is 1489975007. The reversal of 1489974969 is 9694799841.

It is not a de Polignac number, because 1489974969 - 2⁴ = 1489974953 is a prime.

It is a super-2 number, since 2×1489974969² = 4440050816493101922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1489974949) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36829 + ... + 65850.

It is an arithmetic number, because the mean of its divisors is an integer number (142109120).

Almost surely, 2^1489974969 is an apocalyptic number.

It is an amenable number.

1489974969 is a deficient number, since it is larger than the sum of its proper divisors (783770951).

1489974969 is a wasteful number, since it uses less digits than its factorization.

1489974969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103380.

The product of its digits is 35271936, while the sum is 66.

The square root of 1489974969 is about 38600.1938984767. The cubic root of 1489974969 is about 1142.1583632824.

The spelling of 1489974969 in words is "one billion, four hundred eighty-nine million, nine hundred seventy-four thousand, nine hundred sixty-nine".