3816537965 has 8 divisors (see below), whose sum is σ = 4580417688. Its totient is φ = 3052848960.

The previous prime is 3816537947. The next prime is 3816537983. The reversal of 3816537965 is 5697356183.

It is an interprime number because it is at equal distance from previous prime (3816537947) and next prime (3816537983).

It can be written as a sum of positive squares in 4 ways, for example, as 16801801 + 3799736164 = 4099^2 + 61642^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3816537965 - 2³⁰ = 2742796141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 839 + ... + 87371.

It is an arithmetic number, because the mean of its divisors is an integer number (572552211).

Almost surely, 2^3816537965 is an apocalyptic number.

It is an amenable number.

3816537965 is a deficient number, since it is larger than the sum of its proper divisors (763879723).

3816537965 is an equidigital number, since it uses as much as digits as its factorization.

3816537965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95359.

The product of its digits is 4082400, while the sum is 53.

The square root of 3816537965 is about 61778.1350074604. The cubic root of 3816537965 is about 1562.7512764097.

The spelling of 3816537965 in words is "three billion, eight hundred sixteen million, five hundred thirty-seven thousand, nine hundred sixty-five".