213955395419683 has 2 divisors, whose sum is σ = 213955395419684. Its totient is φ = 213955395419682.

The previous prime is 213955395419659. The next prime is 213955395419729. The reversal of 213955395419683 is 386914593559312.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213955395419683 is a prime.

It is a super-2 number, since 2×213955395419683² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (213955395429683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106977697709841 + 106977697709842.

It is an arithmetic number, because the mean of its divisors is an integer number (106977697709842).

Almost surely, 2^{213955395419683} is an apocalyptic number.

213955395419683 is a deficient number, since it is larger than the sum of its proper divisors (1).

213955395419683 is an equidigital number, since it uses as much as digits as its factorization.

213955395419683 is an evil number, because the sum of its binary digits is even.

The product of its digits is 944784000, while the sum is 73.

The spelling of 213955395419683 in words is "two hundred thirteen trillion, nine hundred fifty-five billion, three hundred ninety-five million, four hundred nineteen thousand, six hundred eighty-three".