3648494489 has 2 divisors, whose sum is σ = 3648494490. Its totient is φ = 3648494488.

The previous prime is 3648494461. The next prime is 3648494567. The reversal of 3648494489 is 9844948463.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3414649225 + 233845264 = 58435^2 + 15292^2 .

It is a cyclic number.

It is not a de Polignac number, because 3648494489 - 2¹² = 3648490393 is a prime.

It is a super-2 number, since 2×3648494489² = 26623024072526742242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3648494419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1824247244 + 1824247245.

It is an arithmetic number, because the mean of its divisors is an integer number (1824247245).

Almost surely, 2^3648494489 is an apocalyptic number.

It is an amenable number.

3648494489 is a deficient number, since it is larger than the sum of its proper divisors (1).

3648494489 is an equidigital number, since it uses as much as digits as its factorization.

3648494489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23887872, while the sum is 59.

The square root of 3648494489 is about 60402.7688852092. The cubic root of 3648494489 is about 1539.4700049777.

The spelling of 3648494489 in words is "three billion, six hundred forty-eight million, four hundred ninety-four thousand, four hundred eighty-nine".