941790670681 has 9 divisors (see below), whose sum is σ = 1095560315199. Its totient is φ = 807243323544.

The previous prime is 941790670679. The next prime is 941790670687. The reversal of 941790670681 is 186076097149.

The square root of 941790670681 is 970459.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 407599249225 + 534191421456 = 638435^2 + 730884^2 .

It is not a de Polignac number, because 941790670681 - 2¹ = 941790670679 is a prime.

It is a super-2 number, since 2×941790670681² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (941790670687) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 6723895 + ... + 6862531.

It is an arithmetic number, because the mean of its divisors is an integer number (121728923911).

Almost surely, 2^941790670681 is an apocalyptic number.

941790670681 is the 970459-th square number.

941790670681 is the 485230-th centered octagonal number.

It is an amenable number.

941790670681 is a deficient number, since it is larger than the sum of its proper divisors (153769644518).

941790670681 is an frugal number, since it uses more digits than its factorization.

941790670681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277288 (or 138644 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 58.

The spelling of 941790670681 in words is "nine hundred forty-one billion, seven hundred ninety million, six hundred seventy thousand, six hundred eighty-one".