64354532413 has 2 divisors, whose sum is σ = 64354532414. Its totient is φ = 64354532412.

The previous prime is 64354532399. The next prime is 64354532447. The reversal of 64354532413 is 31423545346.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43464744324 + 20889788089 = 208482^2 + 144533^2 .

It is a cyclic number.

It is not a de Polignac number, because 64354532413 - 2³³ = 55764597821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64354532453) 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 as a sum of consecutive naturals, namely, 32177266206 + 32177266207.

It is an arithmetic number, because the mean of its divisors is an integer number (32177266207).

Almost surely, 2^64354532413 is an apocalyptic number.

It is an amenable number.

64354532413 is a deficient number, since it is larger than the sum of its proper divisors (1).

64354532413 is an equidigital number, since it uses as much as digits as its factorization.

64354532413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 518400, while the sum is 40.

The spelling of 64354532413 in words is "sixty-four billion, three hundred fifty-four million, five hundred thirty-two thousand, four hundred thirteen".