14618725481 has 2 divisors, whose sum is σ = 14618725482. Its totient is φ = 14618725480.

The previous prime is 14618725469. The next prime is 14618725483. The reversal of 14618725481 is 18452781641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14612941456 + 5784025 = 120884^2 + 2405^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14618725481 is a prime.

It is a super-2 number, since 2×14618725481² (a number of 21 digits) contains 22 as substring.

Together with 14618725483, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (14618725483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7309362740 + 7309362741.

It is an arithmetic number, because the mean of its divisors is an integer number (7309362741).

Almost surely, 2^14618725481 is an apocalyptic number.

It is an amenable number.

14618725481 is a deficient number, since it is larger than the sum of its proper divisors (1).

14618725481 is an equidigital number, since it uses as much as digits as its factorization.

14618725481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 430080, while the sum is 47.

The spelling of 14618725481 in words is "fourteen billion, six hundred eighteen million, seven hundred twenty-five thousand, four hundred eighty-one".