4261909656 has 64 divisors (see below), whose sum is σ = 11556730080. Its totient is φ = 1304453120.

The previous prime is 4261909643. The next prime is 4261909679. The reversal of 4261909656 is 6569091624.

4261909656 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110661 + ... + 144116.

Almost surely, 2^4261909656 is an apocalyptic number.

It is an amenable number.

4261909656 is an abundant number, since it is smaller than the sum of its proper divisors (7294820424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4261909656 is a wasteful number, since it uses less digits than its factorization.

4261909656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254844 (or 254840 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 48.

The square root of 4261909656 is about 65283.3030414363. The cubic root of 4261909656 is about 1621.3175350868.

The spelling of 4261909656 in words is "four billion, two hundred sixty-one million, nine hundred nine thousand, six hundred fifty-six".