1489761113 has 2 divisors, whose sum is σ = 1489761114. Its totient is φ = 1489761112.

The previous prime is 1489761109. The next prime is 1489761131. The reversal of 1489761113 is 3111679841.

1489761113 = 27292² + 27293².

Together with next prime (1489761131) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 744907849 + 744853264 = 27293^2 + 27292^2 .

It is a cyclic number.

It is not a de Polignac number, because 1489761113 - 2² = 1489761109 is a prime.

It is not a weakly prime, because it can be changed into another prime (1489761613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 744880556 + 744880557.

It is an arithmetic number, because the mean of its divisors is an integer number (744880557).

Almost surely, 2^1489761113 is an apocalyptic number.

1489761113 is the 27293-rd centered square number.

It is an amenable number.

1489761113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1489761113 is an equidigital number, since it uses as much as digits as its factorization.

1489761113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 41.

The square root of 1489761113 is about 38597.4236575448. The cubic root of 1489761113 is about 1142.1037160320.

The spelling of 1489761113 in words is "one billion, four hundred eighty-nine million, seven hundred sixty-one thousand, one hundred thirteen".