635465649 has 16 divisors (see below), whose sum is σ = 1042815872. Its totient is φ = 335190528.

The previous prime is 635465629. The next prime is 635465669. The reversal of 635465649 is 946564536.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (635465629) and next prime (635465669).

It is not a de Polignac number, because 635465649 - 2¹³ = 635457457 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 635465598 and 635465607.

It is not an unprimeable number, because it can be changed into a prime (635465629) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1163584 + ... + 1164129.

It is an arithmetic number, because the mean of its divisors is an integer number (65175992).

Almost surely, 2^635465649 is an apocalyptic number.

It is an amenable number.

635465649 is a deficient number, since it is larger than the sum of its proper divisors (407350223).

635465649 is a wasteful number, since it uses less digits than its factorization.

635465649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2327736.

The product of its digits is 2332800, while the sum is 48.

The square root of 635465649 is about 25208.4440019609. Note that the first 3 decimals coincide. The cubic root of 635465649 is about 859.7338499470.

The spelling of 635465649 in words is "six hundred thirty-five million, four hundred sixty-five thousand, six hundred forty-nine".