2061723938 has 8 divisors (see below), whose sum is σ = 3097412460. Its totient is φ = 1029253120.

The previous prime is 2061723931. The next prime is 2061723959. The reversal of 2061723938 is 8393271602.

It can be written as a sum of positive squares in 2 ways, for example, as 1798862569 + 262861369 = 42413^2 + 16213^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2061723895 and 2061723904.

It is not an unprimeable number, because it can be changed into a prime (2061723931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 802823 + ... + 805386.

Almost surely, 2^2061723938 is an apocalyptic number.

2061723938 is a deficient number, since it is larger than the sum of its proper divisors (1035688522).

2061723938 is a wasteful number, since it uses less digits than its factorization.

2061723938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1608852.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 2061723938 is about 45406.2103461630. The cubic root of 2061723938 is about 1272.7511686110.

The spelling of 2061723938 in words is "two billion, sixty-one million, seven hundred twenty-three thousand, nine hundred thirty-eight".