4644514745455 has 32 divisors (see below), whose sum is σ = 6211688071680. Its totient is φ = 3310623843840.

The previous prime is 4644514745447. The next prime is 4644514745473. The reversal of 4644514745455 is 5545474154464.

It is not a de Polignac number, because 4644514745455 - 2³ = 4644514745447 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4644514745455.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2178852 + ... + 3746521.

It is an arithmetic number, because the mean of its divisors is an integer number (194115252240).

Almost surely, 2^{4644514745455} is an apocalyptic number.

4644514745455 is a deficient number, since it is larger than the sum of its proper divisors (1567173326225).

4644514745455 is a wasteful number, since it uses less digits than its factorization.

4644514745455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5925811.

The product of its digits is 107520000, while the sum is 58.

The spelling of 4644514745455 in words is "four trillion, six hundred forty-four billion, five hundred fourteen million, seven hundred forty-five thousand, four hundred fifty-five".