2056639527 has 6 divisors (see below), whose sum is σ = 2970701552. Its totient is φ = 1371093012.

The previous prime is 2056639517. The next prime is 2056639531. The reversal of 2056639527 is 7259366502.

2056639527 is a `hidden beast` number, since 2 + 0 + 5 + 6 + 639 + 5 + 2 + 7 = 666.

It is not a de Polignac number, because 2056639527 - 2⁴ = 2056639511 is a prime.

It is a super-2 number, since 2×2056639527² = 8459532288037567458, 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 (2056639517) 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 5 ways as a sum of consecutive naturals, for example, 114257743 + ... + 114257760.

Almost surely, 2^2056639527 is an apocalyptic number.

2056639527 is a deficient number, since it is larger than the sum of its proper divisors (914062025).

2056639527 is a wasteful number, since it uses less digits than its factorization.

2056639527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228515509 (or 228515506 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 45.

The square root of 2056639527 is about 45350.1877283876. The cubic root of 2056639527 is about 1271.7040648176.

The spelling of 2056639527 in words is "two billion, fifty-six million, six hundred thirty-nine thousand, five hundred twenty-seven".