306345324212405 has 16 divisors (see below), whose sum is σ = 393092614049904. Its totient is φ = 228376246348800.

The previous prime is 306345324212359. The next prime is 306345324212423. The reversal of 306345324212405 is 504212423543603.

It can be written as a sum of positive squares in 8 ways, for example, as 74388951759409 + 231956372452996 = 8624903^2 + 15230114^2 .

It is a de Polignac number, because none of the positive numbers 2^k-306345324212405 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17841885662 + ... + 17841902831.

It is an arithmetic number, because the mean of its divisors is an integer number (24568288378119).

Almost surely, 2^{306345324212405} is an apocalyptic number.

It is an amenable number.

306345324212405 is a deficient number, since it is larger than the sum of its proper divisors (86747289837499).

306345324212405 is a wasteful number, since it uses less digits than its factorization.

306345324212405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35683788616.

The product of its (nonzero) digits is 2073600, while the sum is 44.

The spelling of 306345324212405 in words is "three hundred six trillion, three hundred forty-five billion, three hundred twenty-four million, two hundred twelve thousand, four hundred five".