13820484497 has 2 divisors, whose sum is σ = 13820484498. Its totient is φ = 13820484496.

The previous prime is 13820484493. The next prime is 13820484593. The reversal of 13820484497 is 79448402831.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13232130961 + 588353536 = 115031^2 + 24256^2 .

It is a cyclic number.

It is not a de Polignac number, because 13820484497 - 2² = 13820484493 is a prime.

It is not a weakly prime, because it can be changed into another prime (13820484493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6910242248 + 6910242249.

It is an arithmetic number, because the mean of its divisors is an integer number (6910242249).

Almost surely, 2^13820484497 is an apocalyptic number.

It is an amenable number.

13820484497 is a deficient number, since it is larger than the sum of its proper divisors (1).

13820484497 is an equidigital number, since it uses as much as digits as its factorization.

13820484497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1548288, while the sum is 50.

The spelling of 13820484497 in words is "thirteen billion, eight hundred twenty million, four hundred eighty-four thousand, four hundred ninety-seven".