64622050033 has 2 divisors, whose sum is σ = 64622050034. Its totient is φ = 64622050032.

The previous prime is 64622049971. The next prime is 64622050043. The reversal of 64622050033 is 33005022646.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56883681009 + 7738369024 = 238503^2 + 87968^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64622050033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64622049977 and 64622050004.

It is not a weakly prime, because it can be changed into another prime (64622050043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32311025016 + 32311025017.

It is an arithmetic number, because the mean of its divisors is an integer number (32311025017).

Almost surely, 2^64622050033 is an apocalyptic number.

It is an amenable number.

64622050033 is a deficient number, since it is larger than the sum of its proper divisors (1).

64622050033 is an equidigital number, since it uses as much as digits as its factorization.

64622050033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 64622050033 its reverse (33005022646), we get a palindrome (97627072679).

The spelling of 64622050033 in words is "sixty-four billion, six hundred twenty-two million, fifty thousand, thirty-three".