65482744649 has 16 divisors (see below), whose sum is σ = 75063905280. Its totient is φ = 55958442000.

The previous prime is 65482744597. The next prime is 65482744667. The reversal of 65482744649 is 94644728456.

It is a cyclic number.

It is not a de Polignac number, because 65482744649 - 2¹⁶ = 65482679113 is a prime.

It is a super-2 number, since 2×65482744649² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (65482744049) 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, 3578774 + ... + 3597024.

It is an arithmetic number, because the mean of its divisors is an integer number (4691494080).

Almost surely, 2^65482744649 is an apocalyptic number.

It is an amenable number.

65482744649 is a deficient number, since it is larger than the sum of its proper divisors (9581160631).

65482744649 is a wasteful number, since it uses less digits than its factorization.

65482744649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19780.

The product of its digits is 46448640, while the sum is 59.

The spelling of 65482744649 in words is "sixty-five billion, four hundred eighty-two million, seven hundred forty-four thousand, six hundred forty-nine".