44861472013 has 2 divisors, whose sum is σ = 44861472014. Its totient is φ = 44861472012.

The previous prime is 44861471981. The next prime is 44861472037. The reversal of 44861472013 is 31027416844.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39145809609 + 5715662404 = 197853^2 + 75602^2 .

It is a cyclic number.

It is not a de Polignac number, because 44861472013 - 2⁵ = 44861471981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44861472713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22430736006 + 22430736007.

It is an arithmetic number, because the mean of its divisors is an integer number (22430736007).

Almost surely, 2^44861472013 is an apocalyptic number.

It is an amenable number.

44861472013 is a deficient number, since it is larger than the sum of its proper divisors (1).

44861472013 is an equidigital number, since it uses as much as digits as its factorization.

44861472013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129024, while the sum is 40.

Adding to 44861472013 its reverse (31027416844), we get a palindrome (75888888857).

The spelling of 44861472013 in words is "forty-four billion, eight hundred sixty-one million, four hundred seventy-two thousand, thirteen".