44605978871 has 2 divisors, whose sum is σ = 44605978872. Its totient is φ = 44605978870.

The previous prime is 44605978867. The next prime is 44605978873. The reversal of 44605978871 is 17887950644.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 44605978871 - 2² = 44605978867 is a prime.

Together with 44605978873, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 44605978871.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44605978873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22302989435 + 22302989436.

It is an arithmetic number, because the mean of its divisors is an integer number (22302989436).

Almost surely, 2^44605978871 is an apocalyptic number.

44605978871 is a deficient number, since it is larger than the sum of its proper divisors (1).

44605978871 is an equidigital number, since it uses as much as digits as its factorization.

44605978871 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13547520, while the sum is 59.

The spelling of 44605978871 in words is "forty-four billion, six hundred five million, nine hundred seventy-eight thousand, eight hundred seventy-one".