44628218671 has 2 divisors, whose sum is σ = 44628218672. Its totient is φ = 44628218670.

The previous prime is 44628218629. The next prime is 44628218689. The reversal of 44628218671 is 17681282644.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44628218671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44628218611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22314109335 + 22314109336.

It is an arithmetic number, because the mean of its divisors is an integer number (22314109336).

Almost surely, 2^44628218671 is an apocalyptic number.

44628218671 is a deficient number, since it is larger than the sum of its proper divisors (1).

44628218671 is an equidigital number, since it uses as much as digits as its factorization.

44628218671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1032192, while the sum is 49.

The spelling of 44628218671 in words is "forty-four billion, six hundred twenty-eight million, two hundred eighteen thousand, six hundred seventy-one".