64031137441 has 2 divisors, whose sum is σ = 64031137442. Its totient is φ = 64031137440.

The previous prime is 64031137439. The next prime is 64031137459. The reversal of 64031137441 is 14473113046.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61772131600 + 2259005841 = 248540^2 + 47529^2 .

It is a cyclic number.

It is not a de Polignac number, because 64031137441 - 2¹ = 64031137439 is a prime.

Together with 64031137439, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 64031137397 and 64031137406.

It is not a weakly prime, because it can be changed into another prime (64031137411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32015568720 + 32015568721.

It is an arithmetic number, because the mean of its divisors is an integer number (32015568721).

Almost surely, 2^64031137441 is an apocalyptic number.

It is an amenable number.

64031137441 is a deficient number, since it is larger than the sum of its proper divisors (1).

64031137441 is an equidigital number, since it uses as much as digits as its factorization.

64031137441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 34.

The spelling of 64031137441 in words is "sixty-four billion, thirty-one million, one hundred thirty-seven thousand, four hundred forty-one".