2047489489 has 2 divisors, whose sum is σ = 2047489490. Its totient is φ = 2047489488.

The previous prime is 2047489439. The next prime is 2047489501. The reversal of 2047489489 is 9849847402.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1738890000 + 308599489 = 41700^2 + 17567^2 .

It is a cyclic number.

It is not a de Polignac number, because 2047489489 - 2⁷ = 2047489361 is a prime.

It is a super-2 number, since 2×2047489489² = 8384426415130962242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2047489439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1023744744 + 1023744745.

It is an arithmetic number, because the mean of its divisors is an integer number (1023744745).

Almost surely, 2^2047489489 is an apocalyptic number.

It is an amenable number.

2047489489 is a deficient number, since it is larger than the sum of its proper divisors (1).

2047489489 is an equidigital number, since it uses as much as digits as its factorization.

2047489489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4644864, while the sum is 55.

The square root of 2047489489 is about 45249.1932414270. The cubic root of 2047489489 is about 1269.8153138345.

It can be divided in two parts, 2047 and 489489, that added together give a triangular number (491536 = T₉₉₁).

The spelling of 2047489489 in words is "two billion, forty-seven million, four hundred eighty-nine thousand, four hundred eighty-nine".