3146210256397 has 4 divisors (see below), whose sum is σ = 3388226429980. Its totient is φ = 2904194082816.

The previous prime is 3146210256349. The next prime is 3146210256419. The reversal of 3146210256397 is 7936520126413.

3146210256397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1623723256516 + 1522486999881 = 1274254^2 + 1233891^2 .

It is a de Polignac number, because none of the positive numbers 2^k-3146210256397 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3146210256397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3146210256797) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121008086772 + ... + 121008086797.

It is an arithmetic number, because the mean of its divisors is an integer number (847056607495).

Almost surely, 2^{3146210256397} is an apocalyptic number.

It is an amenable number.

3146210256397 is a deficient number, since it is larger than the sum of its proper divisors (242016173583).

3146210256397 is a wasteful number, since it uses less digits than its factorization.

3146210256397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242016173582.

The product of its (nonzero) digits is 1632960, while the sum is 49.

The spelling of 3146210256397 in words is "three trillion, one hundred forty-six billion, two hundred ten million, two hundred fifty-six thousand, three hundred ninety-seven".