402564332153 has 4 divisors (see below), whose sum is σ = 402768370788. Its totient is φ = 402360293520.

The previous prime is 402564332147. The next prime is 402564332171. The reversal of 402564332153 is 351233465204.

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 246802291264 + 155762040889 = 496792^2 + 394667^2 .

It is a cyclic number.

It is not a de Polignac number, because 402564332153 - 2¹² = 402564328057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402564332123) by changing a digit.

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, 102016358 + ... + 102020303.

It is an arithmetic number, because the mean of its divisors is an integer number (100692092697).

Almost surely, 2^402564332153 is an apocalyptic number.

It is an amenable number.

402564332153 is a deficient number, since it is larger than the sum of its proper divisors (204038635).

402564332153 is a wasteful number, since it uses less digits than its factorization.

402564332153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204038634.

The product of its (nonzero) digits is 259200, while the sum is 38.

Adding to 402564332153 its reverse (351233465204), we get a palindrome (753797797357).

The spelling of 402564332153 in words is "four hundred two billion, five hundred sixty-four million, three hundred thirty-two thousand, one hundred fifty-three".