3678311465 has 4 divisors (see below), whose sum is σ = 4413973764. Its totient is φ = 2942649168.

The previous prime is 3678311443. The next prime is 3678311467. The reversal of 3678311465 is 5641138763.

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 1441872784 + 2236438681 = 37972^2 + 47291^2 .

It is a cyclic number.

It is not a de Polignac number, because 3678311465 - 2¹⁴ = 3678295081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3678311467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 367831142 + ... + 367831151.

It is an arithmetic number, because the mean of its divisors is an integer number (1103493441).

Almost surely, 2^3678311465 is an apocalyptic number.

It is an amenable number.

3678311465 is a deficient number, since it is larger than the sum of its proper divisors (735662299).

3678311465 is an equidigital number, since it uses as much as digits as its factorization.

3678311465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735662298.

The product of its digits is 362880, while the sum is 44.

The square root of 3678311465 is about 60649.0846179891. The cubic root of 3678311465 is about 1543.6523566121.

The spelling of 3678311465 in words is "three billion, six hundred seventy-eight million, three hundred eleven thousand, four hundred sixty-five".