2069697505 has 4 divisors (see below), whose sum is σ = 2483637012. Its totient is φ = 1655758000.

The previous prime is 2069697503. The next prime is 2069697611. The reversal of 2069697505 is 5057969602.

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 896223969 + 1173473536 = 29937^2 + 34256^2 .

It is not a de Polignac number, because 2069697505 - 2¹ = 2069697503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2069697503) 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, 206969746 + ... + 206969755.

It is an arithmetic number, because the mean of its divisors is an integer number (620909253).

Almost surely, 2^2069697505 is an apocalyptic number.

It is an amenable number.

2069697505 is a deficient number, since it is larger than the sum of its proper divisors (413939507).

2069697505 is an equidigital number, since it uses as much as digits as its factorization.

2069697505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413939506.

The product of its (nonzero) digits is 1020600, while the sum is 49.

The square root of 2069697505 is about 45493.9282212473. The cubic root of 2069697505 is about 1274.3898154214.

The spelling of 2069697505 in words is "two billion, sixty-nine million, six hundred ninety-seven thousand, five hundred five".