4643735406447 has 16 divisors (see below), whose sum is σ = 6429649508352. Its totient is φ = 2978018446560.

The previous prime is 4643735406433. The next prime is 4643735406449. The reversal of 4643735406447 is 7446045373464.

It is a happy number.

It is not a de Polignac number, because 4643735406447 - 2⁷ = 4643735406319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4643735406449) 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, 149483388 + ... + 149514449.

It is an arithmetic number, because the mean of its divisors is an integer number (401853094272).

Almost surely, 2^{4643735406447} is an apocalyptic number.

4643735406447 is a deficient number, since it is larger than the sum of its proper divisors (1785914101905).

4643735406447 is a wasteful number, since it uses less digits than its factorization.

4643735406447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298998038.

The product of its (nonzero) digits is 81285120, while the sum is 57.

The spelling of 4643735406447 in words is "four trillion, six hundred forty-three billion, seven hundred thirty-five million, four hundred six thousand, four hundred forty-seven".