2051197834 has 16 divisors (see below), whose sum is σ = 3573985536. Its totient is φ = 864673200.

The previous prime is 2051197807. The next prime is 2051197843. The reversal of 2051197834 is 4387911502.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1200082 + ... + 1201789.

It is an arithmetic number, because the mean of its divisors is an integer number (223374096).

Almost surely, 2^2051197834 is an apocalyptic number.

2051197834 is a deficient number, since it is larger than the sum of its proper divisors (1522787702).

2051197834 is a wasteful number, since it uses less digits than its factorization.

2051197834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2401941.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 2051197834 is about 45290.1516226210. The cubic root of 2051197834 is about 1270.5814672591.

The spelling of 2051197834 in words is "two billion, fifty-one million, one hundred ninety-seven thousand, eight hundred thirty-four".