2061701783 has 4 divisors (see below), whose sum is σ = 2062639848. Its totient is φ = 2060763720.

The previous prime is 2061701767. The next prime is 2061701791. The reversal of 2061701783 is 3871071602.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3871071602 = 2 ⋅1935535801.

It is a cyclic number.

It is not a de Polignac number, because 2061701783 - 2⁴ = 2061701767 is a prime.

It is a super-2 number, since 2×2061701783² = 8501228484050758178, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2061701743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 465728 + ... + 470133.

It is an arithmetic number, because the mean of its divisors is an integer number (515659962).

Almost surely, 2^2061701783 is an apocalyptic number.

2061701783 is a deficient number, since it is larger than the sum of its proper divisors (938065).

2061701783 is an equidigital number, since it uses as much as digits as its factorization.

2061701783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 938064.

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 2061701783 is about 45405.9663810826. The cubic root of 2061701783 is about 1272.7466096587.

The spelling of 2061701783 in words is "two billion, sixty-one million, seven hundred one thousand, seven hundred eighty-three".