2406515663 has 2 divisors, whose sum is σ = 2406515664. Its totient is φ = 2406515662.

The previous prime is 2406515603. The next prime is 2406515681. The reversal of 2406515663 is 3665156042.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2406515663 - 2²⁰ = 2405467087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2406515603) 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 as a sum of consecutive naturals, namely, 1203257831 + 1203257832.

It is an arithmetic number, because the mean of its divisors is an integer number (1203257832).

Almost surely, 2^2406515663 is an apocalyptic number.

2406515663 is a deficient number, since it is larger than the sum of its proper divisors (1).

2406515663 is an equidigital number, since it uses as much as digits as its factorization.

2406515663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129600, while the sum is 38.

The square root of 2406515663 is about 49056.2499891706. The cubic root of 2406515663 is about 1340.0764163371.

The spelling of 2406515663 in words is "two billion, four hundred six million, five hundred fifteen thousand, six hundred sixty-three".