2036527781 has 4 divisors (see below), whose sum is σ = 2051179200. Its totient is φ = 2021876364.

The previous prime is 2036527771. The next prime is 2036527799. The reversal of 2036527781 is 1877256302.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2036527781 - 2¹⁴ = 2036511397 is a prime.

It is a super-2 number, since 2×2036527781² = 8294890805569567922, 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 (2036527771) 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, 7325501 + ... + 7325778.

It is an arithmetic number, because the mean of its divisors is an integer number (512794800).

Almost surely, 2^2036527781 is an apocalyptic number.

It is an amenable number.

2036527781 is a deficient number, since it is larger than the sum of its proper divisors (14651419).

2036527781 is a wasteful number, since it uses less digits than its factorization.

2036527781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14651418.

The product of its (nonzero) digits is 141120, while the sum is 41.

The square root of 2036527781 is about 45127.9046821365. The cubic root of 2036527781 is about 1267.5451745496.

The spelling of 2036527781 in words is "two billion, thirty-six million, five hundred twenty-seven thousand, seven hundred eighty-one".