2153663771387 has 2 divisors, whose sum is σ = 2153663771388. Its totient is φ = 2153663771386.

The previous prime is 2153663771353. The next prime is 2153663771411. The reversal of 2153663771387 is 7831773663512.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2153663771387 - 2²⁰ = 2153662722811 is a prime.

It is not a weakly prime, because it can be changed into another prime (2153663771317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1076831885693 + 1076831885694.

It is an arithmetic number, because the mean of its divisors is an integer number (1076831885694).

Almost surely, 2^{2153663771387} is an apocalyptic number.

2153663771387 is a deficient number, since it is larger than the sum of its proper divisors (1).

2153663771387 is an equidigital number, since it uses as much as digits as its factorization.

2153663771387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26671680, while the sum is 59.

The spelling of 2153663771387 in words is "two trillion, one hundred fifty-three billion, six hundred sixty-three million, seven hundred seventy-one thousand, three hundred eighty-seven".