14729948657 has 2 divisors, whose sum is σ = 14729948658. Its totient is φ = 14729948656.

The previous prime is 14729948617. The next prime is 14729948699. The reversal of 14729948657 is 75684992741.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10567634401 + 4162314256 = 102799^2 + 64516^2 .

It is a cyclic number.

It is not a de Polignac number, because 14729948657 - 2¹⁰ = 14729947633 is a prime.

It is a super-2 number, since 2×14729948657² (a number of 21 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 14729948657.

It is not a weakly prime, because it can be changed into another prime (14729948617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7364974328 + 7364974329.

It is an arithmetic number, because the mean of its divisors is an integer number (7364974329).

Almost surely, 2^14729948657 is an apocalyptic number.

It is an amenable number.

14729948657 is a deficient number, since it is larger than the sum of its proper divisors (1).

14729948657 is an equidigital number, since it uses as much as digits as its factorization.

14729948657 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30481920, while the sum is 62.

The spelling of 14729948657 in words is "fourteen billion, seven hundred twenty-nine million, nine hundred forty-eight thousand, six hundred fifty-seven".