4465138647 has 24 divisors (see below), whose sum is σ = 6095029248. Its totient is φ = 2907580000.

The previous prime is 4465138637. The next prime is 4465138663. The reversal of 4465138647 is 7468315644.

It is not a de Polignac number, because 4465138647 - 2²⁴ = 4448361431 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4465138596 and 4465138605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4465138607) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2114122 + ... + 2116232.

It is an arithmetic number, because the mean of its divisors is an integer number (253959552).

Almost surely, 2^4465138647 is an apocalyptic number.

4465138647 is a deficient number, since it is larger than the sum of its proper divisors (1629890601).

4465138647 is a wasteful number, since it uses less digits than its factorization.

4465138647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2471 (or 2418 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 48.

The square root of 4465138647 is about 66821.6929372491. The cubic root of 4465138647 is about 1646.6892471283.

The spelling of 4465138647 in words is "four billion, four hundred sixty-five million, one hundred thirty-eight thousand, six hundred forty-seven".