44455670789 has 2 divisors, whose sum is σ = 44455670790. Its totient is φ = 44455670788.

The previous prime is 44455670783. The next prime is 44455670797. The reversal of 44455670789 is 98707655444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34453670689 + 10002000100 = 185617^2 + 100010^2 .

It is a cyclic number.

It is not a de Polignac number, because 44455670789 - 2²⁸ = 44187235333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44455670783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22227835394 + 22227835395.

It is an arithmetic number, because the mean of its divisors is an integer number (22227835395).

Almost surely, 2^44455670789 is an apocalyptic number.

It is an amenable number.

44455670789 is a deficient number, since it is larger than the sum of its proper divisors (1).

44455670789 is an equidigital number, since it uses as much as digits as its factorization.

44455670789 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33868800, while the sum is 59.

The spelling of 44455670789 in words is "forty-four billion, four hundred fifty-five million, six hundred seventy thousand, seven hundred eighty-nine".