1489055969 has 2 divisors, whose sum is σ = 1489055970. Its totient is φ = 1489055968.

The previous prime is 1489055957. The next prime is 1489055989. The reversal of 1489055969 is 9695509841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 956046400 + 533009569 = 30920^2 + 23087^2 .

It is a cyclic number.

It is not a de Polignac number, because 1489055969 - 2¹² = 1489051873 is a prime.

It is a super-2 number, since 2×1489055969² = 4434575357629057922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1489055929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 744527984 + 744527985.

It is an arithmetic number, because the mean of its divisors is an integer number (744527985).

Almost surely, 2^1489055969 is an apocalyptic number.

It is an amenable number.

1489055969 is a deficient number, since it is larger than the sum of its proper divisors (1).

1489055969 is an equidigital number, since it uses as much as digits as its factorization.

1489055969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3499200, while the sum is 56.

The square root of 1489055969 is about 38588.2879770533. The cubic root of 1489055969 is about 1141.9234914592.

The spelling of 1489055969 in words is "one billion, four hundred eighty-nine million, fifty-five thousand, nine hundred sixty-nine".