64161824453 has 2 divisors, whose sum is σ = 64161824454. Its totient is φ = 64161824452.

The previous prime is 64161824369. The next prime is 64161824459. The reversal of 64161824453 is 35442816146.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43878937729 + 20282886724 = 209473^2 + 142418^2 .

It is a cyclic number.

It is not a de Polignac number, because 64161824453 - 2²² = 64157630149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64161824459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32080912226 + 32080912227.

It is an arithmetic number, because the mean of its divisors is an integer number (32080912227).

Almost surely, 2^64161824453 is an apocalyptic number.

It is an amenable number.

64161824453 is a deficient number, since it is larger than the sum of its proper divisors (1).

64161824453 is an equidigital number, since it uses as much as digits as its factorization.

64161824453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 552960, while the sum is 44.

The spelling of 64161824453 in words is "sixty-four billion, one hundred sixty-one million, eight hundred twenty-four thousand, four hundred fifty-three".