2057653868527 has 2 divisors, whose sum is σ = 2057653868528. Its totient is φ = 2057653868526.

The previous prime is 2057653868489. The next prime is 2057653868531. The reversal of 2057653868527 is 7258683567502.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2057653868527 is a prime.

It is a super-2 number, since 2×2057653868527² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2057653868597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1028826934263 + 1028826934264.

It is an arithmetic number, because the mean of its divisors is an integer number (1028826934264).

Almost surely, 2^{2057653868527} is an apocalyptic number.

2057653868527 is a deficient number, since it is larger than the sum of its proper divisors (1).

2057653868527 is an equidigital number, since it uses as much as digits as its factorization.

2057653868527 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 169344000, while the sum is 64.

The spelling of 2057653868527 in words is "two trillion, fifty-seven billion, six hundred fifty-three million, eight hundred sixty-eight thousand, five hundred twenty-seven".