44894949013 has 2 divisors, whose sum is σ = 44894949014. Its totient is φ = 44894949012.

The previous prime is 44894948971. The next prime is 44894949109. The reversal of 44894949013 is 31094949844.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35497197649 + 9397751364 = 188407^2 + 96942^2 .

It is a cyclic number.

It is not a de Polignac number, because 44894949013 - 2¹³ = 44894940821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44894949713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22447474506 + 22447474507.

It is an arithmetic number, because the mean of its divisors is an integer number (22447474507).

Almost surely, 2^44894949013 is an apocalyptic number.

It is an amenable number.

44894949013 is a deficient number, since it is larger than the sum of its proper divisors (1).

44894949013 is an equidigital number, since it uses as much as digits as its factorization.

44894949013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4478976, while the sum is 55.

The spelling of 44894949013 in words is "forty-four billion, eight hundred ninety-four million, nine hundred forty-nine thousand, thirteen".