345630286321 has 16 divisors (see below), whose sum is σ = 372963052368. Its totient is φ = 319078656000.

The previous prime is 345630286301. The next prime is 345630286327. The reversal of 345630286321 is 123682036543.

It can be written as a sum of positive squares in 8 ways, for example, as 19059183025 + 326571103296 = 138055^2 + 571464^2 .

It is not a de Polignac number, because 345630286321 - 2¹³ = 345630278129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345630286327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3575221 + ... + 3670621.

It is an arithmetic number, because the mean of its divisors is an integer number (23310190773).

Almost surely, 2^345630286321 is an apocalyptic number.

It is an amenable number.

345630286321 is a deficient number, since it is larger than the sum of its proper divisors (27332766047).

345630286321 is a wasteful number, since it uses less digits than its factorization.

345630286321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99492.

The product of its (nonzero) digits is 622080, while the sum is 43.

The spelling of 345630286321 in words is "three hundred forty-five billion, six hundred thirty million, two hundred eighty-six thousand, three hundred twenty-one".