4269215945 has 4 divisors (see below), whose sum is σ = 5123059140. Its totient is φ = 3415372752.

The previous prime is 4269215941. The next prime is 4269215953. The reversal of 4269215945 is 5495129624.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 937155769 + 3332060176 = 30613^2 + 57724^2 .

It is a cyclic number.

It is not a de Polignac number, because 4269215945 - 2² = 4269215941 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4269215945.

It is not an unprimeable number, because it can be changed into a prime (4269215941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 426921590 + ... + 426921599.

It is an arithmetic number, because the mean of its divisors is an integer number (1280764785).

Almost surely, 2^4269215945 is an apocalyptic number.

It is an amenable number.

4269215945 is a deficient number, since it is larger than the sum of its proper divisors (853843195).

4269215945 is an equidigital number, since it uses as much as digits as its factorization.

4269215945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853843194.

The product of its digits is 777600, while the sum is 47.

The square root of 4269215945 is about 65339.2374075486. The cubic root of 4269215945 is about 1622.2434933765.

The spelling of 4269215945 in words is "four billion, two hundred sixty-nine million, two hundred fifteen thousand, nine hundred forty-five".