914645509997 has 2 divisors, whose sum is σ = 914645509998. Its totient is φ = 914645509996.

The previous prime is 914645509991. The next prime is 914645510057. The reversal of 914645509997 is 799905546419.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 873067853161 + 41577656836 = 934381^2 + 203906^2 .

It is a cyclic number.

It is not a de Polignac number, because 914645509997 - 2¹² = 914645505901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (914645509991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 457322754998 + 457322754999.

It is an arithmetic number, because the mean of its divisors is an integer number (457322754999).

Almost surely, 2^914645509997 is an apocalyptic number.

It is an amenable number.

914645509997 is a deficient number, since it is larger than the sum of its proper divisors (1).

914645509997 is an equidigital number, since it uses as much as digits as its factorization.

914645509997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 110224800, while the sum is 68.

The spelling of 914645509997 in words is "nine hundred fourteen billion, six hundred forty-five million, five hundred nine thousand, nine hundred ninety-seven".