2648733489 has 12 divisors (see below), whose sum is σ = 3835308100. Its totient is φ = 1761502464.

The previous prime is 2648733487. The next prime is 2648733499. The reversal of 2648733489 is 9843378462.

It can be written as a sum of positive squares in 2 ways, for example, as 1635393600 + 1013339889 = 40440^2 + 31833^2 .

It is not a de Polignac number, because 2648733489 - 2¹ = 2648733487 is a prime.

It is a super-2 number, since 2×2648733489² = 14031578191500226242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2648733487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 356104 + ... + 363465.

Almost surely, 2^2648733489 is an apocalyptic number.

It is an amenable number.

2648733489 is a deficient number, since it is larger than the sum of its proper divisors (1186574611).

2648733489 is a wasteful number, since it uses less digits than its factorization.

2648733489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719984 (or 719981 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 54.

The square root of 2648733489 is about 51465.8477924925. The cubic root of 2648733489 is about 1383.6070115639.

The spelling of 2648733489 in words is "two billion, six hundred forty-eight million, seven hundred thirty-three thousand, four hundred eighty-nine".