214515400273 has 2 divisors, whose sum is σ = 214515400274. Its totient is φ = 214515400272.

The previous prime is 214515400247. The next prime is 214515400321. The reversal of 214515400273 is 372004515412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 183362091264 + 31153309009 = 428208^2 + 176503^2 .

It is a cyclic number.

It is not a de Polignac number, because 214515400273 - 2⁵ = 214515400241 is a prime.

It is not a weakly prime, because it can be changed into another prime (214515400373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107257700136 + 107257700137.

It is an arithmetic number, because the mean of its divisors is an integer number (107257700137).

Almost surely, 2^214515400273 is an apocalyptic number.

It is an amenable number.

214515400273 is a deficient number, since it is larger than the sum of its proper divisors (1).

214515400273 is an equidigital number, since it uses as much as digits as its factorization.

214515400273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33600, while the sum is 34.

Adding to 214515400273 its reverse (372004515412), we get a palindrome (586519915685).

The spelling of 214515400273 in words is "two hundred fourteen billion, five hundred fifteen million, four hundred thousand, two hundred seventy-three".