214302406457 has 2 divisors, whose sum is σ = 214302406458. Its totient is φ = 214302406456.

The previous prime is 214302406433. The next prime is 214302406529. The reversal of 214302406457 is 754604203412.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 183266185216 + 31036221241 = 428096^2 + 176171^2 .

It is a cyclic number.

It is not a de Polignac number, because 214302406457 - 2¹² = 214302402361 is a prime.

It is a super-2 number, since 2×214302406457² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 214302406457.

It is not a weakly prime, because it can be changed into another prime (214302406757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107151203228 + 107151203229.

It is an arithmetic number, because the mean of its divisors is an integer number (107151203229).

Almost surely, 2^214302406457 is an apocalyptic number.

It is an amenable number.

214302406457 is a deficient number, since it is larger than the sum of its proper divisors (1).

214302406457 is an equidigital number, since it uses as much as digits as its factorization.

214302406457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 161280, while the sum is 38.

Adding to 214302406457 its reverse (754604203412), we get a palindrome (968906609869).

The spelling of 214302406457 in words is "two hundred fourteen billion, three hundred two million, four hundred six thousand, four hundred fifty-seven".