6465920053 has 2 divisors, whose sum is σ = 6465920054. Its totient is φ = 6465920052.

The previous prime is 6465920051. The next prime is 6465920059. The reversal of 6465920053 is 3500295646.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4958694724 + 1507225329 = 70418^2 + 38823^2 .

It is a cyclic number.

It is not a de Polignac number, because 6465920053 - 2¹ = 6465920051 is a prime.

Together with 6465920051, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 6465919988 and 6465920015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6465920051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3232960026 + 3232960027.

It is an arithmetic number, because the mean of its divisors is an integer number (3232960027).

Almost surely, 2^6465920053 is an apocalyptic number.

It is an amenable number.

6465920053 is a deficient number, since it is larger than the sum of its proper divisors (1).

6465920053 is an equidigital number, since it uses as much as digits as its factorization.

6465920053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 194400, while the sum is 40.

The square root of 6465920053 is about 80410.9448582716. The cubic root of 6465920053 is about 1862.9882259739.

The spelling of 6465920053 in words is "six billion, four hundred sixty-five million, nine hundred twenty thousand, fifty-three".