2475001663 has 4 divisors (see below), whose sum is σ = 2480639920. Its totient is φ = 2469363408.

The previous prime is 2475001609. The next prime is 2475001681. The reversal of 2475001663 is 3661005742.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2475001663 - 2²⁹ = 1938130751 is a prime.

It is a super-2 number, since 2×2475001663² = 12251266463705531138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2475001603) 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 3 ways as a sum of consecutive naturals, for example, 2818470 + ... + 2819347.

It is an arithmetic number, because the mean of its divisors is an integer number (620159980).

Almost surely, 2^2475001663 is an apocalyptic number.

2475001663 is a deficient number, since it is larger than the sum of its proper divisors (5638257).

2475001663 is an equidigital number, since it uses as much as digits as its factorization.

2475001663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5638256.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 2475001663 is about 49749.3885691071. The cubic root of 2475001663 is about 1352.6699174591.

The spelling of 2475001663 in words is "two billion, four hundred seventy-five million, one thousand, six hundred sixty-three".