944180641 has 2 divisors, whose sum is σ = 944180642. Its totient is φ = 944180640.

The previous prime is 944180617. The next prime is 944180647. The reversal of 944180641 is 146081449.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 788430241 + 155750400 = 28079^2 + 12480^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-944180641 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 944180641.

It is not a weakly prime, because it can be changed into another prime (944180647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 472090320 + 472090321.

It is an arithmetic number, because the mean of its divisors is an integer number (472090321).

Almost surely, 2^944180641 is an apocalyptic number.

It is an amenable number.

944180641 is a deficient number, since it is larger than the sum of its proper divisors (1).

944180641 is an equidigital number, since it uses as much as digits as its factorization.

944180641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 944180641 is about 30727.5225327393. The cubic root of 944180641 is about 981.0361943680.

The spelling of 944180641 in words is "nine hundred forty-four million, one hundred eighty thousand, six hundred forty-one".