3213678953 has 8 divisors (see below), whose sum is σ = 3320705280. Its totient is φ = 3106862640.

The previous prime is 3213678947. The next prime is 3213678959. The reversal of 3213678953 is 3598763123.

It is an interprime number because it is at equal distance from previous prime (3213678947) and next prime (3213678959).

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

It is a cyclic number.

It is not a de Polignac number, because 3213678953 - 2¹⁸ = 3213416809 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3213678898 and 3213678907.

It is not an unprimeable number, because it can be changed into a prime (3213678959) 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 7 ways as a sum of consecutive naturals, for example, 21083 + ... + 82896.

It is an arithmetic number, because the mean of its divisors is an integer number (415088160).

Almost surely, 2^3213678953 is an apocalyptic number.

It is an amenable number.

3213678953 is a deficient number, since it is larger than the sum of its proper divisors (107026327).

3213678953 is a wasteful number, since it uses less digits than its factorization.

3213678953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105007.

The product of its digits is 816480, while the sum is 47.

The square root of 3213678953 is about 56689.3195672695. The cubic root of 3213678953 is about 1475.7093518830.

The spelling of 3213678953 in words is "three billion, two hundred thirteen million, six hundred seventy-eight thousand, nine hundred fifty-three".