3219958065 has 16 divisors (see below), whose sum is σ = 5318125056. Its totient is φ = 1661913600.

The previous prime is 3219958061. The next prime is 3219958069. The reversal of 3219958065 is 5608599123.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3219958061) and next prime (3219958069).

It is not a de Polignac number, because 3219958065 - 2² = 3219958061 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3219958061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3461856 + ... + 3462785.

It is an arithmetic number, because the mean of its divisors is an integer number (332382816).

Almost surely, 2^3219958065 is an apocalyptic number.

It is an amenable number.

3219958065 is a deficient number, since it is larger than the sum of its proper divisors (2098166991).

3219958065 is a wasteful number, since it uses less digits than its factorization.

3219958065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6924680.

The product of its (nonzero) digits is 583200, while the sum is 48.

The square root of 3219958065 is about 56744.6743316058. The cubic root of 3219958065 is about 1476.6698415097.

The spelling of 3219958065 in words is "three billion, two hundred nineteen million, nine hundred fifty-eight thousand, sixty-five".