2051703687 has 32 divisors (see below), whose sum is σ = 3170695680. Its totient is φ = 1168110720.

The previous prime is 2051703683. The next prime is 2051703713. The reversal of 2051703687 is 7863071502.

It is not a de Polignac number, because 2051703687 - 2² = 2051703683 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051703683) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6438 + ... + 64380.

It is an arithmetic number, because the mean of its divisors is an integer number (99084240).

Almost surely, 2^2051703687 is an apocalyptic number.

2051703687 is a deficient number, since it is larger than the sum of its proper divisors (1118991993).

2051703687 is a wasteful number, since it uses less digits than its factorization.

2051703687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58023.

The product of its (nonzero) digits is 70560, while the sum is 39.

The square root of 2051703687 is about 45295.7358589084. The cubic root of 2051703687 is about 1270.6859061725.

The spelling of 2051703687 in words is "two billion, fifty-one million, seven hundred three thousand, six hundred eighty-seven".