2132666382461 has 4 divisors (see below), whose sum is σ = 2134226490912. Its totient is φ = 2131106274012.

The previous prime is 2132666382449. The next prime is 2132666382491. The reversal of 2132666382461 is 1642836662312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2132666382461 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 (2132666382491) 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, 780052175 + ... + 780054908.

It is an arithmetic number, because the mean of its divisors is an integer number (533556622728).

Almost surely, 2^{2132666382461} is an apocalyptic number.

It is an amenable number.

2132666382461 is a deficient number, since it is larger than the sum of its proper divisors (1560108451).

2132666382461 is a wasteful number, since it uses less digits than its factorization.

2132666382461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1560108450.

The product of its digits is 2985984, while the sum is 50.

The spelling of 2132666382461 in words is "two trillion, one hundred thirty-two billion, six hundred sixty-six million, three hundred eighty-two thousand, four hundred sixty-one".