4128196945 has 8 divisors (see below), whose sum is σ = 4957268544. Its totient is φ = 3300269424.

The previous prime is 4128196913. The next prime is 4128196973. The reversal of 4128196945 is 5496918214.

4128196945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 4128196945 - 2⁵ = 4128196913 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 278059 + ... + 292528.

It is an arithmetic number, because the mean of its divisors is an integer number (619658568).

Almost surely, 2^4128196945 is an apocalyptic number.

It is an amenable number.

4128196945 is a deficient number, since it is larger than the sum of its proper divisors (829071599).

4128196945 is a wasteful number, since it uses less digits than its factorization.

4128196945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572039.

The product of its digits is 622080, while the sum is 49.

The square root of 4128196945 is about 64251.0462560727. The cubic root of 4128196945 is about 1604.1813735995.

The spelling of 4128196945 in words is "four billion, one hundred twenty-eight million, one hundred ninety-six thousand, nine hundred forty-five".