652736020369 has 4 divisors (see below), whose sum is σ = 652737660400. Its totient is φ = 652734380340.

The previous prime is 652736020337. The next prime is 652736020423. The reversal of 652736020369 is 963020637256.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 652736020369 - 2⁵ = 652736020337 is a prime.

It is a super-2 number, since 2×652736020369² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (652736020309) 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, 199534 + ... + 1159864.

It is an arithmetic number, because the mean of its divisors is an integer number (163184415100).

Almost surely, 2^652736020369 is an apocalyptic number.

It is an amenable number.

652736020369 is a deficient number, since it is larger than the sum of its proper divisors (1640031).

652736020369 is an equidigital number, since it uses as much as digits as its factorization.

652736020369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1640030.

The product of its (nonzero) digits is 2449440, while the sum is 49.

The spelling of 652736020369 in words is "six hundred fifty-two billion, seven hundred thirty-six million, twenty thousand, three hundred sixty-nine".