2153305446553 has 2 divisors, whose sum is σ = 2153305446554. Its totient is φ = 2153305446552.

The previous prime is 2153305446529. The next prime is 2153305446557. The reversal of 2153305446553 is 3556445033512.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1720903196224 + 432402250329 = 1311832^2 + 657573^2 .

It is a cyclic number.

It is not a de Polignac number, because 2153305446553 - 2²⁹ = 2152768575641 is a prime.

It is not a weakly prime, because it can be changed into another prime (2153305446557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1076652723276 + 1076652723277.

It is an arithmetic number, because the mean of its divisors is an integer number (1076652723277).

Almost surely, 2^{2153305446553} is an apocalyptic number.

It is an amenable number.

2153305446553 is a deficient number, since it is larger than the sum of its proper divisors (1).

2153305446553 is an equidigital number, since it uses as much as digits as its factorization.

2153305446553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240000, while the sum is 46.

The spelling of 2153305446553 in words is "two trillion, one hundred fifty-three billion, three hundred five million, four hundred forty-six thousand, five hundred fifty-three".