2669345538 has 32 divisors (see below), whose sum is σ = 5523064704. Its totient is φ = 859404672.

The previous prime is 2669345537. The next prime is 2669345573. The reversal of 2669345538 is 8355439662.

It is not an unprimeable number, because it can be changed into a prime (2669345533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13470 + ... + 74297.

It is an arithmetic number, because the mean of its divisors is an integer number (172595772).

Almost surely, 2^2669345538 is an apocalyptic number.

2669345538 is an abundant number, since it is smaller than the sum of its proper divisors (2853719166).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2669345538 is a wasteful number, since it uses less digits than its factorization.

2669345538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87946.

The product of its digits is 4665600, while the sum is 51.

The square root of 2669345538 is about 51665.7094986607. The cubic root of 2669345538 is about 1387.1867497045.

The spelling of 2669345538 in words is "two billion, six hundred sixty-nine million, three hundred forty-five thousand, five hundred thirty-eight".