944725819 has 4 divisors (see below), whose sum is σ = 1000297944. Its totient is φ = 889153696.

The previous prime is 944725811. The next prime is 944725879. The reversal of 944725819 is 918527449.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 918527449 = 7 ⋅131218207.

It is a cyclic number.

It is not a de Polignac number, because 944725819 - 2³ = 944725811 is a prime.

It is a super-2 number, since 2×944725819² = 1785013746170441522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (944725811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27786037 + ... + 27786070.

It is an arithmetic number, because the mean of its divisors is an integer number (250074486).

Almost surely, 2^944725819 is an apocalyptic number.

944725819 is a deficient number, since it is larger than the sum of its proper divisors (55572125).

944725819 is a wasteful number, since it uses less digits than its factorization.

944725819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55572124.

The product of its digits is 725760, while the sum is 49.

The square root of 944725819 is about 30736.3924200613. The cubic root of 944725819 is about 981.2249776085.

The spelling of 944725819 in words is "nine hundred forty-four million, seven hundred twenty-five thousand, eight hundred nineteen".