4494351541645 has 64 divisors (see below), whose sum is σ = 6349606889472. Its totient is φ = 2989398528000.

The previous prime is 4494351541619. The next prime is 4494351541697. The reversal of 4494351541645 is 5461451534944.

It is not a de Polignac number, because 4494351541645 - 2⁹ = 4494351541133 is a prime.

It is a super-3 number, since 3×4494351541645³ (a number of 39 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1194986565 + ... + 1194990325.

It is an arithmetic number, because the mean of its divisors is an integer number (99212607648).

Almost surely, 2^{4494351541645} is an apocalyptic number.

It is an amenable number.

4494351541645 is a deficient number, since it is larger than the sum of its proper divisors (1855255347827).

4494351541645 is a wasteful number, since it uses less digits than its factorization.

4494351541645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6382.

The product of its digits is 20736000, while the sum is 55.

The spelling of 4494351541645 in words is "four trillion, four hundred ninety-four billion, three hundred fifty-one million, five hundred forty-one thousand, six hundred forty-five".