2065635344 has 10 divisors (see below), whose sum is σ = 4002168510. Its totient is φ = 1032817664.

The previous prime is 2065635343. The next prime is 2065635353. The reversal of 2065635344 is 4435365602.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2062249744 + 3385600 = 45412^2 + 1840^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2065635298 and 2065635307.

It is not an unprimeable number, because it can be changed into a prime (2065635343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64551089 + ... + 64551120.

It is an arithmetic number, because the mean of its divisors is an integer number (400216851).

Almost surely, 2^2065635344 is an apocalyptic number.

It is an amenable number.

2065635344 is a deficient number, since it is larger than the sum of its proper divisors (1936533166).

2065635344 is a wasteful number, since it uses less digits than its factorization.

2065635344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129102217 (or 129102211 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 38.

The square root of 2065635344 is about 45449.2612041164. The cubic root of 2065635344 is about 1273.5555281107. Note that the first 4 decimals are identical.

The spelling of 2065635344 in words is "two billion, sixty-five million, six hundred thirty-five thousand, three hundred forty-four".