16452928956913 has 4 divisors (see below), whose sum is σ = 16603873259380. Its totient is φ = 16301984654448.

The previous prime is 16452928956869. The next prime is 16452928956943. The reversal of 16452928956913 is 31965982925461.

It is a happy number.

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 11727665986624 + 4725262970289 = 3424568^2 + 2173767^2 .

It is a cyclic number.

It is not a de Polignac number, because 16452928956913 - 2⁴¹ = 14253905701361 is a prime.

It is a super-2 number, since 2×16452928956913² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16452928956943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75472151070 + ... + 75472151287.

It is an arithmetic number, because the mean of its divisors is an integer number (4150968314845).

Almost surely, 2^{16452928956913} is an apocalyptic number.

It is an amenable number.

16452928956913 is a deficient number, since it is larger than the sum of its proper divisors (150944302467).

16452928956913 is a wasteful number, since it uses less digits than its factorization.

16452928956913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150944302466.

The product of its digits is 251942400, while the sum is 70.

The spelling of 16452928956913 in words is "sixteen trillion, four hundred fifty-two billion, nine hundred twenty-eight million, nine hundred fifty-six thousand, nine hundred thirteen".