1769349245 has 4 divisors (see below), whose sum is σ = 2123219100. Its totient is φ = 1415479392.

The previous prime is 1769349229. The next prime is 1769349259. The reversal of 1769349245 is 5429439671.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 207676921 + 1561672324 = 14411^2 + 39518^2 .

It is a cyclic number.

It is not a de Polignac number, because 1769349245 - 2⁴ = 1769349229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1769349193 and 1769349202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176934920 + ... + 176934929.

It is an arithmetic number, because the mean of its divisors is an integer number (530804775).

Almost surely, 2^1769349245 is an apocalyptic number.

It is an amenable number.

1769349245 is a deficient number, since it is larger than the sum of its proper divisors (353869855).

1769349245 is an equidigital number, since it uses as much as digits as its factorization.

1769349245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353869854.

The product of its digits is 1632960, while the sum is 50.

The square root of 1769349245 is about 42063.6332833958. The cubic root of 1769349245 is about 1209.4962374880.

The spelling of 1769349245 in words is "one billion, seven hundred sixty-nine million, three hundred forty-nine thousand, two hundred forty-five".