10244151581 has 2 divisors, whose sum is σ = 10244151582. Its totient is φ = 10244151580.

The previous prime is 10244151553. The next prime is 10244151611. The reversal of 10244151581 is 18515144201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9434236900 + 809914681 = 97130^2 + 28459^2 .

It is a cyclic number.

It is not a de Polignac number, because 10244151581 - 2⁶ = 10244151517 is a prime.

It is a super-2 number, since 2×10244151581² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10244151521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5122075790 + 5122075791.

It is an arithmetic number, because the mean of its divisors is an integer number (5122075791).

Almost surely, 2^10244151581 is an apocalyptic number.

It is an amenable number.

10244151581 is a deficient number, since it is larger than the sum of its proper divisors (1).

10244151581 is an equidigital number, since it uses as much as digits as its factorization.

10244151581 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6400, while the sum is 32.

Adding to 10244151581 its reverse (18515144201), we get a palindrome (28759295782).

The spelling of 10244151581 in words is "ten billion, two hundred forty-four million, one hundred fifty-one thousand, five hundred eighty-one".