213199305344456 has 16 divisors (see below), whose sum is σ = 410552716373340. Its totient is φ = 103718580978240.

The previous prime is 213199305344393. The next prime is 213199305344477. The reversal of 213199305344456 is 654443503991312.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 213105516281956 + 93789062500 = 14598134^2 + 306250^2 .

It is a junction number, because it is equal to n+sod(n) for n = 213199305344395 and 213199305344404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 360133961435 + ... + 360133962026.

Almost surely, 2^{213199305344456} is an apocalyptic number.

It is an amenable number.

213199305344456 is a deficient number, since it is larger than the sum of its proper divisors (197353411028884).

213199305344456 is a wasteful number, since it uses less digits than its factorization.

213199305344456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720267923504 (or 720267923500 counting only the distinct ones).

The product of its (nonzero) digits is 41990400, while the sum is 59.

The spelling of 213199305344456 in words is "two hundred thirteen trillion, one hundred ninety-nine billion, three hundred five million, three hundred forty-four thousand, four hundred fifty-six".