949980681 has 12 divisors (see below), whose sum is σ = 1477747908. Its totient is φ = 584603424.

The previous prime is 949980679. The next prime is 949980697. The reversal of 949980681 is 186089949.

949980681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 113614281 + 836366400 = 10659^2 + 28920^2 .

It is not a de Polignac number, because 949980681 - 2¹ = 949980679 is a prime.

It is a super-2 number, since 2×949980681² = 1804926588546447522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (949980611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4059630 + ... + 4059863.

It is an arithmetic number, because the mean of its divisors is an integer number (123145659).

Almost surely, 2^949980681 is an apocalyptic number.

It is an amenable number.

949980681 is a deficient number, since it is larger than the sum of its proper divisors (527767227).

949980681 is a wasteful number, since it uses less digits than its factorization.

949980681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8119512 (or 8119509 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 54.

The square root of 949980681 is about 30821.7566176881. The cubic root of 949980681 is about 983.0409087636.

The spelling of 949980681 in words is "nine hundred forty-nine million, nine hundred eighty thousand, six hundred eighty-one".