2069807790 has 32 divisors (see below), whose sum is σ = 4993560576. Its totient is φ = 549057440.

The previous prime is 2069807767. The next prime is 2069807791. The reversal of 2069807790 is 977089602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2069807791) 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 15 ways as a sum of consecutive naturals, for example, 174882 + ... + 186341.

It is an arithmetic number, because the mean of its divisors is an integer number (156048768).

Almost surely, 2^2069807790 is an apocalyptic number.

2069807790 is an abundant number, since it is smaller than the sum of its proper divisors (2923752786).

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

2069807790 is a wasteful number, since it uses less digits than its factorization.

2069807790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361424.

The product of its (nonzero) digits is 381024, while the sum is 48.

The square root of 2069807790 is about 45495.1402899255. The cubic root of 2069807790 is about 1274.4124505463.

The spelling of 2069807790 in words is "two billion, sixty-nine million, eight hundred seven thousand, seven hundred ninety".