213277109641 has 2 divisors, whose sum is σ = 213277109642. Its totient is φ = 213277109640.

The previous prime is 213277109629. The next prime is 213277109701. The reversal of 213277109641 is 146901772312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 213262934416 + 14175225 = 461804^2 + 3765^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213277109641 is a prime.

It is not a weakly prime, because it can be changed into another prime (213277179641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106638554820 + 106638554821.

It is an arithmetic number, because the mean of its divisors is an integer number (106638554821).

Almost surely, 2^213277109641 is an apocalyptic number.

It is an amenable number.

213277109641 is a deficient number, since it is larger than the sum of its proper divisors (1).

213277109641 is an equidigital number, since it uses as much as digits as its factorization.

213277109641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 127008, while the sum is 43.

The spelling of 213277109641 in words is "two hundred thirteen billion, two hundred seventy-seven million, one hundred nine thousand, six hundred forty-one".