44704628957 has 2 divisors, whose sum is σ = 44704628958. Its totient is φ = 44704628956.

The previous prime is 44704628953. The next prime is 44704628981. The reversal of 44704628957 is 75982640744.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36825226201 + 7879402756 = 191899^2 + 88766^2 .

It is a cyclic number.

It is not a de Polignac number, because 44704628957 - 2² = 44704628953 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44704628951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22352314478 + 22352314479.

It is an arithmetic number, because the mean of its divisors is an integer number (22352314479).

Almost surely, 2^44704628957 is an apocalyptic number.

It is an amenable number.

44704628957 is a deficient number, since it is larger than the sum of its proper divisors (1).

44704628957 is an equidigital number, since it uses as much as digits as its factorization.

44704628957 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 56.

The spelling of 44704628957 in words is "forty-four billion, seven hundred four million, six hundred twenty-eight thousand, nine hundred fifty-seven".