214769600509 has 2 divisors, whose sum is σ = 214769600510. Its totient is φ = 214769600508.

The previous prime is 214769600473. The next prime is 214769600519. The reversal of 214769600509 is 905006967412.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117222694884 + 97546905625 = 342378^2 + 312325^2 .

It is a cyclic number.

It is not a de Polignac number, because 214769600509 - 2²⁷ = 214635382781 is a prime.

It is a super-2 number, since 2×214769600509² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214769600519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107384800254 + 107384800255.

It is an arithmetic number, because the mean of its divisors is an integer number (107384800255).

Almost surely, 2^214769600509 is an apocalyptic number.

It is an amenable number.

214769600509 is a deficient number, since it is larger than the sum of its proper divisors (1).

214769600509 is an equidigital number, since it uses as much as digits as its factorization.

214769600509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 816480, while the sum is 49.

The spelling of 214769600509 in words is "two hundred fourteen billion, seven hundred sixty-nine million, six hundred thousand, five hundred nine".