43650086261 has 8 divisors (see below), whose sum is σ = 46363541400. Its totient is φ = 40952831488.

The previous prime is 43650086243. The next prime is 43650086279. The reversal of 43650086261 is 16268005634.

It is an interprime number because it is at equal distance from previous prime (43650086243) and next prime (43650086279).

It can be written as a sum of positive squares in 4 ways, for example, as 637815025 + 43012271236 = 25255^2 + 207394^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 43650086261 - 2⁶ = 43650086197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43650886261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4044536 + ... + 4055313.

It is an arithmetic number, because the mean of its divisors is an integer number (5795442675).

Almost surely, 2^43650086261 is an apocalyptic number.

It is an amenable number.

43650086261 is a deficient number, since it is larger than the sum of its proper divisors (2713455139).

43650086261 is a wasteful number, since it uses less digits than its factorization.

43650086261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8100183.

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 43650086261 in words is "forty-three billion, six hundred fifty million, eighty-six thousand, two hundred sixty-one".