1659430022953 has 2 divisors, whose sum is σ = 1659430022954. Its totient is φ = 1659430022952.

The previous prime is 1659430022911. The next prime is 1659430022989. The reversal of 1659430022953 is 3592200349561.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1570981478544 + 88448544409 = 1253388^2 + 297403^2 .

It is a cyclic number.

It is not a de Polignac number, because 1659430022953 - 2⁹ = 1659430022441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1659430022897 and 1659430022906.

It is not a weakly prime, because it can be changed into another prime (1659430022153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 829715011476 + 829715011477.

It is an arithmetic number, because the mean of its divisors is an integer number (829715011477).

Almost surely, 2^{1659430022953} is an apocalyptic number.

It is an amenable number.

1659430022953 is a deficient number, since it is larger than the sum of its proper divisors (1).

1659430022953 is an equidigital number, since it uses as much as digits as its factorization.

1659430022953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1749600, while the sum is 49.

The spelling of 1659430022953 in words is "one trillion, six hundred fifty-nine billion, four hundred thirty million, twenty-two thousand, nine hundred fifty-three".