2642690334 has 16 divisors (see below), whose sum is σ = 5295770640. Its totient is φ = 879165120.

The previous prime is 2642690329. The next prime is 2642690357. The reversal of 2642690334 is 4330962462.

It is a junction number, because it is equal to n+sod(n) for n = 2642690292 and 2642690301.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 429607 + ... + 435714.

It is an arithmetic number, because the mean of its divisors is an integer number (330985665).

Almost surely, 2^2642690334 is an apocalyptic number.

2642690334 is an abundant number, since it is smaller than the sum of its proper divisors (2653080306).

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

2642690334 is a wasteful number, since it uses less digits than its factorization.

2642690334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865835.

The product of its (nonzero) digits is 186624, while the sum is 39.

The square root of 2642690334 is about 51407.1039254304. The cubic root of 2642690334 is about 1382.5539650647.

The spelling of 2642690334 in words is "two billion, six hundred forty-two million, six hundred ninety thousand, three hundred thirty-four".