2150436066461 has 8 divisors (see below), whose sum is σ = 2224761963480. Its totient is φ = 2076121698112.

The previous prime is 2150436066421. The next prime is 2150436066473. The reversal of 2150436066461 is 1646606340512.

It can be written as a sum of positive squares in 4 ways, for example, as 1070304048025 + 1080132018436 = 1034555^2 + 1039294^2 .

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 2150436066461 - 2¹⁸ = 2150435804317 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 (2150436066421) 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, 2501810 + ... + 3249603.

It is an arithmetic number, because the mean of its divisors is an integer number (278095245435).

Almost surely, 2^{2150436066461} is an apocalyptic number.

It is an amenable number.

2150436066461 is a deficient number, since it is larger than the sum of its proper divisors (74325897019).

2150436066461 is a wasteful number, since it uses less digits than its factorization.

2150436066461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5764335.

The product of its (nonzero) digits is 622080, while the sum is 44.

The spelling of 2150436066461 in words is "two trillion, one hundred fifty billion, four hundred thirty-six million, sixty-six thousand, four hundred sixty-one".