4149515645 has 8 divisors (see below), whose sum is σ = 5432093280. Its totient is φ = 3017829520.

The previous prime is 4149515639. The next prime is 4149515647. The reversal of 4149515645 is 5465159414.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4149515645 - 2⁶ = 4149515581 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4149515596 and 4149515605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4149515647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37722815 + ... + 37722924.

It is an arithmetic number, because the mean of its divisors is an integer number (679011660).

Almost surely, 2^4149515645 is an apocalyptic number.

It is an amenable number.

4149515645 is a deficient number, since it is larger than the sum of its proper divisors (1282577635).

4149515645 is a wasteful number, since it uses less digits than its factorization.

4149515645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75445755.

The product of its digits is 432000, while the sum is 44.

The square root of 4149515645 is about 64416.7342000508. The cubic root of 4149515645 is about 1606.9380540849.

The spelling of 4149515645 in words is "four billion, one hundred forty-nine million, five hundred fifteen thousand, six hundred forty-five".