1793385149 has 2 divisors, whose sum is σ = 1793385150. Its totient is φ = 1793385148.

The previous prime is 1793385107. The next prime is 1793385151. The reversal of 1793385149 is 9415833971.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 945993049 + 847392100 = 30757^2 + 29110^2 .

It is a cyclic number.

It is not a de Polignac number, because 1793385149 - 2¹² = 1793381053 is a prime.

Together with 1793385151, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1793385097 and 1793385106.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1793385949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 896692574 + 896692575.

It is an arithmetic number, because the mean of its divisors is an integer number (896692575).

Almost surely, 2^1793385149 is an apocalyptic number.

It is an amenable number.

1793385149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1793385149 is an equidigital number, since it uses as much as digits as its factorization.

1793385149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 816480, while the sum is 50.

The square root of 1793385149 is about 42348.3783514788. The cubic root of 1793385149 is about 1214.9484641161.

The spelling of 1793385149 in words is "one billion, seven hundred ninety-three million, three hundred eighty-five thousand, one hundred forty-nine".