2069639648 has 24 divisors (see below), whose sum is σ = 4135422312. Its totient is φ = 1019373696.

The previous prime is 2069639641. The next prime is 2069639669. The reversal of 2069639648 is 8469369602.

It is a self number, because there is not a number n which added to its sum of digits gives 2069639648.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2069639641) 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, 480515 + ... + 484802.

It is an arithmetic number, because the mean of its divisors is an integer number (172309263).

Almost surely, 2^2069639648 is an apocalyptic number.

It is an amenable number.

2069639648 is a deficient number, since it is larger than the sum of its proper divisors (2065782664).

2069639648 is an equidigital number, since it uses as much as digits as its factorization.

2069639648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 965394 (or 965386 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 53.

The square root of 2069639648 is about 45493.2923407396. The cubic root of 2069639648 is about 1274.3779404077.

The spelling of 2069639648 in words is "two billion, sixty-nine million, six hundred thirty-nine thousand, six hundred forty-eight".