944781113 has 2 divisors, whose sum is σ = 944781114. Its totient is φ = 944781112.

The previous prime is 944781107. The next prime is 944781133. The reversal of 944781113 is 311187449.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 594043129 + 350737984 = 24373^2 + 18728^2 .

It is a cyclic number.

It is not a de Polignac number, because 944781113 - 2⁸ = 944780857 is a prime.

It is a super-2 number, since 2×944781113² = 1785222702963037538, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (944781133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 472390556 + 472390557.

It is an arithmetic number, because the mean of its divisors is an integer number (472390557).

Almost surely, 2^944781113 is an apocalyptic number.

It is an amenable number.

944781113 is a deficient number, since it is larger than the sum of its proper divisors (1).

944781113 is an equidigital number, since it uses as much as digits as its factorization.

944781113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 38.

The square root of 944781113 is about 30737.2918943748. The cubic root of 944781113 is about 981.2441206566.

The spelling of 944781113 in words is "nine hundred forty-four million, seven hundred eighty-one thousand, one hundred thirteen".