2418730649 has 2 divisors, whose sum is σ = 2418730650. Its totient is φ = 2418730648.

The previous prime is 2418730637. The next prime is 2418730673. The reversal of 2418730649 is 9460378142.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2212291225 + 206439424 = 47035^2 + 14368^2 .

It is a cyclic number.

It is not a de Polignac number, because 2418730649 - 2¹² = 2418726553 is a prime.

It is a super-2 number, since 2×2418730649² = 11700515904823922402, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2418730679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1209365324 + 1209365325.

It is an arithmetic number, because the mean of its divisors is an integer number (1209365325).

Almost surely, 2^2418730649 is an apocalyptic number.

It is an amenable number.

2418730649 is a deficient number, since it is larger than the sum of its proper divisors (1).

2418730649 is an equidigital number, since it uses as much as digits as its factorization.

2418730649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 2418730649 is about 49180.5921985492. The cubic root of 2418730649 is about 1342.3399097746.

The spelling of 2418730649 in words is "two billion, four hundred eighteen million, seven hundred thirty thousand, six hundred forty-nine".