4253906345 has 32 divisors (see below), whose sum is σ = 5853163680. Its totient is φ = 2940088320.

The previous prime is 4253906339. The next prime is 4253906401. The reversal of 4253906345 is 5436093524.

It can be written as a sum of positive squares in 16 ways, for example, as 2225574976 + 2028331369 = 47176^2 + 45037^2 .

It is not a de Polignac number, because 4253906345 - 2⁴ = 4253906329 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 189371 + ... + 210639.

It is an arithmetic number, because the mean of its divisors is an integer number (182911365).

Almost surely, 2^4253906345 is an apocalyptic number.

It is an amenable number.

4253906345 is a deficient number, since it is larger than the sum of its proper divisors (1599257335).

4253906345 is a wasteful number, since it uses less digits than its factorization.

4253906345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21485.

The product of its (nonzero) digits is 388800, while the sum is 41.

The square root of 4253906345 is about 65221.9774692549. The cubic root of 4253906345 is about 1620.3020247991.

Adding to 4253906345 its reverse (5436093524), we get a palindrome (9689999869).

The spelling of 4253906345 in words is "four billion, two hundred fifty-three million, nine hundred six thousand, three hundred forty-five".