4645918645455 has 16 divisors (see below), whose sum is σ = 7516991967840. Its totient is φ = 2449982565888.

The previous prime is 4645918645453. The next prime is 4645918645507. The reversal of 4645918645455 is 5545468195464.

It is not a de Polignac number, because 4645918645455 - 2¹ = 4645918645453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4645918645453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1740043102 + ... + 1740045771.

It is an arithmetic number, because the mean of its divisors is an integer number (469811997990).

Almost surely, 2^{4645918645455} is an apocalyptic number.

4645918645455 is a deficient number, since it is larger than the sum of its proper divisors (2871073322385).

4645918645455 is a wasteful number, since it uses less digits than its factorization.

4645918645455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3480088970.

The product of its digits is 414720000, while the sum is 66.

It can be divided in two parts, 464591 and 8645455, that added together give a triangular number (9110046 = T₄₂₆₈).

The spelling of 4645918645455 in words is "four trillion, six hundred forty-five billion, nine hundred eighteen million, six hundred forty-five thousand, four hundred fifty-five".