1489898943 has 24 divisors (see below), whose sum is σ = 2380265888. Its totient is φ = 892078272.

The previous prime is 1489898941. The next prime is 1489898987. The reversal of 1489898943 is 3498989841.

It is not a de Polignac number, because 1489898943 - 2¹ = 1489898941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1489898941) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 167755 + ... + 176412.

Almost surely, 2^1489898943 is an apocalyptic number.

1489898943 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1489898943 is a deficient number, since it is larger than the sum of its proper divisors (890366945).

1489898943 is a wasteful number, since it uses less digits than its factorization.

1489898943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344223 (or 344220 counting only the distinct ones).

The product of its digits is 17915904, while the sum is 63.

The square root of 1489898943 is about 38599.2090981150. The cubic root of 1489898943 is about 1142.1389367349.

It can be divided in two parts, 1489898 and 943, that added together give a square (1490841 = 1221²).

The spelling of 1489898943 in words is "one billion, four hundred eighty-nine million, eight hundred ninety-eight thousand, nine hundred forty-three".