3855745834 has 4 divisors (see below), whose sum is σ = 5783618754. Its totient is φ = 1927872916.

The previous prime is 3855745799. The next prime is 3855745879. The reversal of 3855745834 is 4385475583.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4385475583 = 14143 ⋅310081.

It can be written as a sum of positive squares in only one way, i.e., 3593403025 + 262342809 = 59945^2 + 16197^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 963936457 + ... + 963936460.

Almost surely, 2^3855745834 is an apocalyptic number.

3855745834 is a deficient number, since it is larger than the sum of its proper divisors (1927872920).

3855745834 is a wasteful number, since it uses less digits than its factorization.

3855745834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1927872919.

The product of its digits is 8064000, while the sum is 52.

The square root of 3855745834 is about 62094.6522174011. The cubic root of 3855745834 is about 1568.0845145361.

The spelling of 3855745834 in words is "three billion, eight hundred fifty-five million, seven hundred forty-five thousand, eight hundred thirty-four".