945675681 has 8 divisors (see below), whose sum is σ = 1263380160. Its totient is φ = 629210832.

The previous prime is 945675671. The next prime is 945675697. The reversal of 945675681 is 186576549.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 945675681 - 2¹¹ = 945673633 is a prime.

It is a super-2 number, since 2×945675681² = 1788604987269627522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (945675671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 308125 + ... + 311178.

It is an arithmetic number, because the mean of its divisors is an integer number (157922520).

Almost surely, 2^945675681 is an apocalyptic number.

It is an amenable number.

945675681 is a deficient number, since it is larger than the sum of its proper divisors (317704479).

945675681 is a wasteful number, since it uses less digits than its factorization.

945675681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619815.

The product of its digits is 1814400, while the sum is 51.

The square root of 945675681 is about 30751.8402863959. The cubic root of 945675681 is about 981.5537206541.

The spelling of 945675681 in words is "nine hundred forty-five million, six hundred seventy-five thousand, six hundred eighty-one".