2075781436 has 6 divisors (see below), whose sum is σ = 3632617520. Its totient is φ = 1037890716.

The previous prime is 2075781419. The next prime is 2075781457. The reversal of 2075781436 is 6341875702.

It is a junction number, because it is equal to n+sod(n) for n = 2075781392 and 2075781401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 259472676 + ... + 259472683.

Almost surely, 2^2075781436 is an apocalyptic number.

It is an amenable number.

2075781436 is a deficient number, since it is larger than the sum of its proper divisors (1556836084).

2075781436 is a wasteful number, since it uses less digits than its factorization.

2075781436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518945363 (or 518945361 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 43.

The square root of 2075781436 is about 45560.7444627499. The cubic root of 2075781436 is about 1275.6372948328.

The spelling of 2075781436 in words is "two billion, seventy-five million, seven hundred eighty-one thousand, four hundred thirty-six".