14973915457 has 2 divisors, whose sum is σ = 14973915458. Its totient is φ = 14973915456.

The previous prime is 14973915427. The next prime is 14973915479. The reversal of 14973915457 is 75451937941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13300778241 + 1673137216 = 115329^2 + 40904^2 .

It is an emirp because it is prime and its reverse (75451937941) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14973915457 is a prime.

It is a super-2 number, since 2×14973915457² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 14973915398 and 14973915407.

It is not a weakly prime, because it can be changed into another prime (14973915427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7486957728 + 7486957729.

It is an arithmetic number, because the mean of its divisors is an integer number (7486957729).

Almost surely, 2^14973915457 is an apocalyptic number.

It is an amenable number.

14973915457 is a deficient number, since it is larger than the sum of its proper divisors (1).

14973915457 is an equidigital number, since it uses as much as digits as its factorization.

14973915457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4762800, while the sum is 55.

The spelling of 14973915457 in words is "fourteen billion, nine hundred seventy-three million, nine hundred fifteen thousand, four hundred fifty-seven".