6865740261 has 48 divisors (see below), whose sum is σ = 10285704000. Its totient is φ = 4411080960.

The previous prime is 6865740253. The next prime is 6865740263. The reversal of 6865740261 is 1620475686.

It is not a de Polignac number, because 6865740261 - 2³ = 6865740253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6865740263) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6190375 + ... + 6191483.

It is an arithmetic number, because the mean of its divisors is an integer number (214285500).

Almost surely, 2^6865740261 is an apocalyptic number.

It is an amenable number.

6865740261 is a deficient number, since it is larger than the sum of its proper divisors (3419963739).

6865740261 is a wasteful number, since it uses less digits than its factorization.

6865740261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1394 (or 1391 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The square root of 6865740261 is about 82859.7626173283. The cubic root of 6865740261 is about 1900.6221656829.

The spelling of 6865740261 in words is "six billion, eight hundred sixty-five million, seven hundred forty thousand, two hundred sixty-one".