64520083183 has 2 divisors, whose sum is σ = 64520083184. Its totient is φ = 64520083182.

The previous prime is 64520083091. The next prime is 64520083213. The reversal of 64520083183 is 38138002546.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64520083183 is a prime.

It is a super-2 number, since 2×64520083183² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64520083783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32260041591 + 32260041592.

It is an arithmetic number, because the mean of its divisors is an integer number (32260041592).

Almost surely, 2^64520083183 is an apocalyptic number.

64520083183 is a deficient number, since it is larger than the sum of its proper divisors (1).

64520083183 is an equidigital number, since it uses as much as digits as its factorization.

64520083183 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 138240, while the sum is 40.

The spelling of 64520083183 in words is "sixty-four billion, five hundred twenty million, eighty-three thousand, one hundred eighty-three".