4378195445 has 16 divisors (see below), whose sum is σ = 5669540352. Its totient is φ = 3226520640.

The previous prime is 4378195439. The next prime is 4378195501. The reversal of 4378195445 is 5445918734.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-4378195445 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4378195393 and 4378195402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36677 + ... + 100506.

It is an arithmetic number, because the mean of its divisors is an integer number (354346272).

Almost surely, 2^4378195445 is an apocalyptic number.

It is an amenable number.

4378195445 is a deficient number, since it is larger than the sum of its proper divisors (1291344907).

4378195445 is a wasteful number, since it uses less digits than its factorization.

4378195445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137692.

The product of its digits is 2419200, while the sum is 50.

The square root of 4378195445 is about 66167.9336612532. The cubic root of 4378195445 is about 1635.9312491409.

The spelling of 4378195445 in words is "four billion, three hundred seventy-eight million, one hundred ninety-five thousand, four hundred forty-five".