213955395419659 has 2 divisors, whose sum is σ = 213955395419660. Its totient is φ = 213955395419658.

The previous prime is 213955395419611. The next prime is 213955395419683. The reversal of 213955395419659 is 956914593559312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213955395419659 - 2¹⁷ = 213955395288587 is a prime.

It is a super-2 number, since 2×213955395419659² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (213955395419459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106977697709829 + 106977697709830.

It is an arithmetic number, because the mean of its divisors is an integer number (106977697709830).

Almost surely, 2^{213955395419659} is an apocalyptic number.

213955395419659 is a deficient number, since it is larger than the sum of its proper divisors (1).

213955395419659 is an equidigital number, since it uses as much as digits as its factorization.

213955395419659 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1771470000, while the sum is 76.

The spelling of 213955395419659 in words is "two hundred thirteen trillion, nine hundred fifty-five billion, three hundred ninety-five million, four hundred nineteen thousand, six hundred fifty-nine".