18482399357 has 2 divisors, whose sum is σ = 18482399358. Its totient is φ = 18482399356.

The previous prime is 18482399347. The next prime is 18482399431. The reversal of 18482399357 is 75399328481.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17690596036 + 791803321 = 133006^2 + 28139^2 .

It is a cyclic number.

It is not a de Polignac number, because 18482399357 - 2²⁰ = 18481350781 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18482399296 and 18482399305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18482399347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9241199678 + 9241199679.

It is an arithmetic number, because the mean of its divisors is an integer number (9241199679).

Almost surely, 2^18482399357 is an apocalyptic number.

It is an amenable number.

18482399357 is a deficient number, since it is larger than the sum of its proper divisors (1).

18482399357 is an equidigital number, since it uses as much as digits as its factorization.

18482399357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13063680, while the sum is 59.

The spelling of 18482399357 in words is "eighteen billion, four hundred eighty-two million, three hundred ninety-nine thousand, three hundred fifty-seven".