1489972373 has 4 divisors (see below), whose sum is σ = 1493163360. Its totient is φ = 1486781388.

The previous prime is 1489972369. The next prime is 1489972391. The reversal of 1489972373 is 3732799841.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3732799841 = 257 ⋅14524513.

It is a cyclic number.

It is not a de Polignac number, because 1489972373 - 2² = 1489972369 is a prime.

It is a super-2 number, since 2×1489972373² = 4440035344606502258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1489972303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1594793 + ... + 1595726.

It is an arithmetic number, because the mean of its divisors is an integer number (373290840).

Almost surely, 2^1489972373 is an apocalyptic number.

It is an amenable number.

1489972373 is a deficient number, since it is larger than the sum of its proper divisors (3190987).

1489972373 is an equidigital number, since it uses as much as digits as its factorization.

1489972373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3190986.

The product of its digits is 2286144, while the sum is 53.

The square root of 1489972373 is about 38600.1602716880. The cubic root of 1489972373 is about 1142.1576999503.

The spelling of 1489972373 in words is "one billion, four hundred eighty-nine million, nine hundred seventy-two thousand, three hundred seventy-three".