4151857345 has 4 divisors (see below), whose sum is σ = 4982228820. Its totient is φ = 3321485872.

The previous prime is 4151857327. The next prime is 4151857379. The reversal of 4151857345 is 5437581514.

4151857345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2267950129 + 1883907216 = 47623^2 + 43404^2 .

It is a cyclic number.

It is not a de Polignac number, because 4151857345 - 2¹³ = 4151849153 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 415185730 + ... + 415185739.

It is an arithmetic number, because the mean of its divisors is an integer number (1245557205).

Almost surely, 2^4151857345 is an apocalyptic number.

It is an amenable number.

4151857345 is a deficient number, since it is larger than the sum of its proper divisors (830371475).

4151857345 is an equidigital number, since it uses as much as digits as its factorization.

4151857345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830371474.

The product of its digits is 336000, while the sum is 43.

The square root of 4151857345 is about 64434.9078140103. The cubic root of 4151857345 is about 1607.2402788530.

The spelling of 4151857345 in words is "four billion, one hundred fifty-one million, eight hundred fifty-seven thousand, three hundred forty-five".