947671700681 has 4 divisors (see below), whose sum is σ = 947678817792. Its totient is φ = 947664583572.

The previous prime is 947671700653. The next prime is 947671700699. The reversal of 947671700681 is 186007176749.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 947671700681 - 2¹⁰ = 947671699657 is a prime.

It is a super-2 number, since 2×947671700681² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (947671700621) 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, 3354941 + ... + 3626426.

It is an arithmetic number, because the mean of its divisors is an integer number (236919704448).

Almost surely, 2^947671700681 is an apocalyptic number.

It is an amenable number.

947671700681 is a deficient number, since it is larger than the sum of its proper divisors (7117111).

947671700681 is a wasteful number, since it uses less digits than its factorization.

947671700681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7117110.

The product of its (nonzero) digits is 3556224, while the sum is 56.

The spelling of 947671700681 in words is "nine hundred forty-seven billion, six hundred seventy-one million, seven hundred thousand, six hundred eighty-one".