1768290049 has 4 divisors (see below), whose sum is σ = 1768380160. Its totient is φ = 1768199940.

The previous prime is 1768290019. The next prime is 1768290059. The reversal of 1768290049 is 9400928671.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1768290049 - 2¹³ = 1768281857 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1768289990 and 1768290008.

It is not an unprimeable number, because it can be changed into a prime (1768290019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1737 + ... + 59494.

It is an arithmetic number, because the mean of its divisors is an integer number (442095040).

Almost surely, 2^1768290049 is an apocalyptic number.

It is an amenable number.

1768290049 is a deficient number, since it is larger than the sum of its proper divisors (90111).

1768290049 is an equidigital number, since it uses as much as digits as its factorization.

1768290049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90110.

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 1768290049 is about 42051.0409978160. The cubic root of 1768290049 is about 1209.2548400172.

The spelling of 1768290049 in words is "one billion, seven hundred sixty-eight million, two hundred ninety thousand, forty-nine".