14545697977 has 2 divisors, whose sum is σ = 14545697978. Its totient is φ = 14545697976.

The previous prime is 14545697909. The next prime is 14545698029. The reversal of 14545697977 is 77979654541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11027310121 + 3518387856 = 105011^2 + 59316^2 .

It is a cyclic number.

It is not a de Polignac number, because 14545697977 - 2¹⁵ = 14545665209 is a prime.

It is not a weakly prime, because it can be changed into another prime (14545691977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7272848988 + 7272848989.

It is an arithmetic number, because the mean of its divisors is an integer number (7272848989).

Almost surely, 2^14545697977 is an apocalyptic number.

It is an amenable number.

14545697977 is a deficient number, since it is larger than the sum of its proper divisors (1).

14545697977 is an equidigital number, since it uses as much as digits as its factorization.

14545697977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 66679200, while the sum is 64.

The spelling of 14545697977 in words is "fourteen billion, five hundred forty-five million, six hundred ninety-seven thousand, nine hundred seventy-seven".