4195065631 has 4 divisors (see below), whose sum is σ = 4197030832. Its totient is φ = 4193100432.

The previous prime is 4195065617. The next prime is 4195065643. The reversal of 4195065631 is 1365605914.

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: 1365605914 = 2 ⋅682802957.

It is a cyclic number.

It is not a de Polignac number, because 4195065631 - 2⁵ = 4195065599 is a prime.

It is a super-2 number, since 2×4195065631² = 35197151296794856322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4195065691) 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, 979395 + ... + 983668.

It is an arithmetic number, because the mean of its divisors is an integer number (1049257708).

Almost surely, 2^4195065631 is an apocalyptic number.

4195065631 is a deficient number, since it is larger than the sum of its proper divisors (1965201).

4195065631 is a wasteful number, since it uses less digits than its factorization.

4195065631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1965200.

The product of its (nonzero) digits is 97200, while the sum is 40.

The square root of 4195065631 is about 64769.3263126922. The cubic root of 4195065631 is about 1612.7965530016.

The spelling of 4195065631 in words is "four billion, one hundred ninety-five million, sixty-five thousand, six hundred thirty-one".