3216387549 has 8 divisors (see below), whose sum is σ = 4288965120. Its totient is φ = 2144034176.

The previous prime is 3216387533. The next prime is 3216387553. The reversal of 3216387549 is 9457836123.

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 3216387549 - 2⁴ = 3216387533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3216387498 and 3216387507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3216387509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19092 + ... + 82445.

It is an arithmetic number, because the mean of its divisors is an integer number (536120640).

Almost surely, 2^3216387549 is an apocalyptic number.

It is an amenable number.

3216387549 is a deficient number, since it is larger than the sum of its proper divisors (1072577571).

3216387549 is a wasteful number, since it uses less digits than its factorization.

3216387549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112099.

The product of its digits is 1088640, while the sum is 48.

The square root of 3216387549 is about 56713.2043619473. The cubic root of 3216387549 is about 1476.1238278432.

The spelling of 3216387549 in words is "three billion, two hundred sixteen million, three hundred eighty-seven thousand, five hundred forty-nine".