64412277133 has 2 divisors, whose sum is σ = 64412277134. Its totient is φ = 64412277132.

The previous prime is 64412277091. The next prime is 64412277161. The reversal of 64412277133 is 33177221446.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35553742249 + 28858534884 = 188557^2 + 169878^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64412277133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64412277233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32206138566 + 32206138567.

It is an arithmetic number, because the mean of its divisors is an integer number (32206138567).

Almost surely, 2^64412277133 is an apocalyptic number.

It is an amenable number.

64412277133 is a deficient number, since it is larger than the sum of its proper divisors (1).

64412277133 is an equidigital number, since it uses as much as digits as its factorization.

64412277133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 169344, while the sum is 40.

Adding to 64412277133 its reverse (33177221446), we get a palindrome (97589498579).

The spelling of 64412277133 in words is "sixty-four billion, four hundred twelve million, two hundred seventy-seven thousand, one hundred thirty-three".