64022131021501 has 2 divisors, whose sum is σ = 64022131021502. Its totient is φ = 64022131021500.

The previous prime is 64022131021493. The next prime is 64022131021547. The reversal of 64022131021501 is 10512013122046.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40044469924900 + 23977661096601 = 6328070^2 + 4896699^2 .

It is a cyclic number.

It is not a de Polignac number, because 64022131021501 - 2³ = 64022131021493 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64022131021501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64022131021591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32011065510750 + 32011065510751.

It is an arithmetic number, because the mean of its divisors is an integer number (32011065510751).

Almost surely, 2^{64022131021501} is an apocalyptic number.

It is an amenable number.

64022131021501 is a deficient number, since it is larger than the sum of its proper divisors (1).

64022131021501 is an equidigital number, since it uses as much as digits as its factorization.

64022131021501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 28.

Adding to 64022131021501 its reverse (10512013122046), we get a palindrome (74534144143547).

The spelling of 64022131021501 in words is "sixty-four trillion, twenty-two billion, one hundred thirty-one million, twenty-one thousand, five hundred one".