2069705450 has 12 divisors (see below), whose sum is σ = 3849652230. Its totient is φ = 827882160.

The previous prime is 2069705431. The next prime is 2069705453. The reversal of 2069705450 is 545079602.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1356227929 + 713477521 = 36827^2 + 26711^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2069705453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20697005 + ... + 20697104.

Almost surely, 2^2069705450 is an apocalyptic number.

2069705450 is a deficient number, since it is larger than the sum of its proper divisors (1779946780).

2069705450 is a wasteful number, since it uses less digits than its factorization.

2069705450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41394121 (or 41394116 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 2069705450 is about 45494.0155405082. The cubic root of 2069705450 is about 1274.3914460967.

The spelling of 2069705450 in words is "two billion, sixty-nine million, seven hundred five thousand, four hundred fifty".