4391342545 has 16 divisors (see below), whose sum is σ = 5528113920. Its totient is φ = 3344152000.

The previous prime is 4391342533. The next prime is 4391342591. The reversal of 4391342545 is 5452431934.

It is not a de Polignac number, because 4391342545 - 2⁵ = 4391342513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4391342498 and 4391342507.

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, 202981 + ... + 223570.

It is an arithmetic number, because the mean of its divisors is an integer number (345507120).

Almost surely, 2^4391342545 is an apocalyptic number.

It is an amenable number.

4391342545 is a deficient number, since it is larger than the sum of its proper divisors (1136771375).

4391342545 is a wasteful number, since it uses less digits than its factorization.

4391342545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426656.

The product of its digits is 259200, while the sum is 40.

The square root of 4391342545 is about 66267.2056525700. The cubic root of 4391342545 is about 1637.5671026636.

The spelling of 4391342545 in words is "four billion, three hundred ninety-one million, three hundred forty-two thousand, five hundred forty-five".