4261949668 has 12 divisors (see below), whose sum is σ = 7459131820. Its totient is φ = 2130769152.

The previous prime is 4261949633. The next prime is 4261949669. The reversal of 4261949668 is 8669491624.

It can be written as a sum of positive squares in 2 ways, for example, as 2343334464 + 1918615204 = 48408^2 + 43802^2 .

It is not an unprimeable number, because it can be changed into a prime (4261949669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1180 + ... + 92332.

Almost surely, 2^4261949668 is an apocalyptic number.

It is an amenable number.

4261949668 is a deficient number, since it is larger than the sum of its proper divisors (3197182152).

4261949668 is a wasteful number, since it uses less digits than its factorization.

4261949668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102846 (or 102844 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 55.

The square root of 4261949668 is about 65283.6094896721. The cubic root of 4261949668 is about 1621.3226088651.

The spelling of 4261949668 in words is "four billion, two hundred sixty-one million, nine hundred forty-nine thousand, six hundred sixty-eight".