16435222513 has 2 divisors, whose sum is σ = 16435222514. Its totient is φ = 16435222512.

The previous prime is 16435222499. The next prime is 16435222537. The reversal of 16435222513 is 31522253461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14365700449 + 2069522064 = 119857^2 + 45492^2 .

It is an emirp because it is prime and its reverse (31522253461) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16435222513 is a prime.

It is not a weakly prime, because it can be changed into another prime (16435222553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8217611256 + 8217611257.

It is an arithmetic number, because the mean of its divisors is an integer number (8217611257).

Almost surely, 2^16435222513 is an apocalyptic number.

It is an amenable number.

16435222513 is a deficient number, since it is larger than the sum of its proper divisors (1).

16435222513 is an equidigital number, since it uses as much as digits as its factorization.

16435222513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43200, while the sum is 34.

Adding to 16435222513 its reverse (31522253461), we get a palindrome (47957475974).

The spelling of 16435222513 in words is "sixteen billion, four hundred thirty-five million, two hundred twenty-two thousand, five hundred thirteen".