3215243602257 has 8 divisors (see below), whose sum is σ = 4286999773440. Its totient is φ = 2143491582960.

The previous prime is 3215243602213. The next prime is 3215243602261. The reversal of 3215243602257 is 7522063425123.

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

It is not a de Polignac number, because 3215243602257 - 2²⁶ = 3215176493393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3215243602457) 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, 2332219 + ... + 3445247.

It is an arithmetic number, because the mean of its divisors is an integer number (535874971680).

Almost surely, 2^{3215243602257} is an apocalyptic number.

It is an amenable number.

3215243602257 is a deficient number, since it is larger than the sum of its proper divisors (1071756171183).

3215243602257 is a wasteful number, since it uses less digits than its factorization.

3215243602257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2075943.

The product of its (nonzero) digits is 604800, while the sum is 42.

The spelling of 3215243602257 in words is "three trillion, two hundred fifteen billion, two hundred forty-three million, six hundred two thousand, two hundred fifty-seven".