2011573434 has 32 divisors (see below), whose sum is σ = 4560655680. Its totient is φ = 586369152.

The previous prime is 2011573427. The next prime is 2011573463. The reversal of 2011573434 is 4343751102.

It is a happy number.

It is a super-3 number, since 3×2011573434³ (a number of 29 digits) contains 333 as substring.

It is an unprimeable number.

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, 677187 + ... + 680150.

It is an arithmetic number, because the mean of its divisors is an integer number (142520490).

Almost surely, 2^2011573434 is an apocalyptic number.

2011573434 is an abundant number, since it is smaller than the sum of its proper divisors (2549082246).

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

2011573434 is a wasteful number, since it uses less digits than its factorization.

2011573434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1357374.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 2011573434 is about 44850.5678224925. The cubic root of 2011573434 is about 1262.3466460007.

The spelling of 2011573434 in words is "two billion, eleven million, five hundred seventy-three thousand, four hundred thirty-four".