402016358593 has 24 divisors (see below), whose sum is σ = 420280708472. Its totient is φ = 384248696832.

The previous prime is 402016358591. The next prime is 402016358663. The reversal of 402016358593 is 395853610204.

It can be written as a sum of positive squares in 12 ways, for example, as 153063260289 + 248953098304 = 391233^2 + 498952^2 .

It is not a de Polignac number, because 402016358593 - 2¹ = 402016358591 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402016358591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46008721 + ... + 46017457.

Almost surely, 2^402016358593 is an apocalyptic number.

It is an amenable number.

402016358593 is a deficient number, since it is larger than the sum of its proper divisors (18264349879).

402016358593 is an equidigital number, since it uses as much as digits as its factorization.

402016358593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9109 (or 9020 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 46.

Adding to 402016358593 its reverse (395853610204), we get a palindrome (797869968797).

The spelling of 402016358593 in words is "four hundred two billion, sixteen million, three hundred fifty-eight thousand, five hundred ninety-three".