3213457239 has 8 divisors (see below), whose sum is σ = 4284910080. Its totient is φ = 2142154616.

The previous prime is 3213457207. The next prime is 3213457267. The reversal of 3213457239 is 9327543123.

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 3213457239 - 2⁵ = 3213457207 is a prime.

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 3213457197 and 3213457206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3213457279) 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, 29434 + ... + 85400.

It is an arithmetic number, because the mean of its divisors is an integer number (535613760).

Almost surely, 2^3213457239 is an apocalyptic number.

3213457239 is a deficient number, since it is larger than the sum of its proper divisors (1071452841).

3213457239 is a wasteful number, since it uses less digits than its factorization.

3213457239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75109.

The product of its digits is 136080, while the sum is 39.

The square root of 3213457239 is about 56687.3640152724. The cubic root of 3213457239 is about 1475.6754143561.

The spelling of 3213457239 in words is "three billion, two hundred thirteen million, four hundred fifty-seven thousand, two hundred thirty-nine".