44978419429 has 2 divisors, whose sum is σ = 44978419430. Its totient is φ = 44978419428.

The previous prime is 44978419319. The next prime is 44978419439. The reversal of 44978419429 is 92491487944.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42508130625 + 2470288804 = 206175^2 + 49702^2 .

It is a cyclic number.

It is not a de Polignac number, because 44978419429 - 2⁷ = 44978419301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44978419439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22489209714 + 22489209715.

It is an arithmetic number, because the mean of its divisors is an integer number (22489209715).

Almost surely, 2^44978419429 is an apocalyptic number.

It is an amenable number.

44978419429 is a deficient number, since it is larger than the sum of its proper divisors (1).

44978419429 is an equidigital number, since it uses as much as digits as its factorization.

44978419429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20901888, while the sum is 61.

The spelling of 44978419429 in words is "forty-four billion, nine hundred seventy-eight million, four hundred nineteen thousand, four hundred twenty-nine".