3965523573 has 32 divisors (see below), whose sum is σ = 6162301440. Its totient is φ = 2242848960.

The previous prime is 3965523553. The next prime is 3965523589. The reversal of 3965523573 is 3753255693.

It is a de Polignac number, because none of the positive numbers 2^k-3965523573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3965523553) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5190 + ... + 89207.

It is an arithmetic number, because the mean of its divisors is an integer number (192571920).

Almost surely, 2^3965523573 is an apocalyptic number.

3965523573 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

3965523573 is a deficient number, since it is larger than the sum of its proper divisors (2196777867).

3965523573 is a wasteful number, since it uses less digits than its factorization.

3965523573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94497.

The product of its digits is 2551500, while the sum is 48.

The square root of 3965523573 is about 62972.4032652399. The cubic root of 3965523573 is about 1582.8272262184.

The spelling of 3965523573 in words is "three billion, nine hundred sixty-five million, five hundred twenty-three thousand, five hundred seventy-three".