1653270056777 has 2 divisors, whose sum is σ = 1653270056778. Its totient is φ = 1653270056776.

The previous prime is 1653270056749. The next prime is 1653270056807. The reversal of 1653270056777 is 7776500723561.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1226735671561 + 426534385216 = 1107581^2 + 653096^2 .

It is a cyclic number.

It is not a de Polignac number, because 1653270056777 - 2²⁰ = 1653269008201 is a prime.

It is not a weakly prime, because it can be changed into another prime (1653270056707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 826635028388 + 826635028389.

It is an arithmetic number, because the mean of its divisors is an integer number (826635028389).

Almost surely, 2^{1653270056777} is an apocalyptic number.

It is an amenable number.

1653270056777 is a deficient number, since it is larger than the sum of its proper divisors (1).

1653270056777 is an equidigital number, since it uses as much as digits as its factorization.

1653270056777 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12965400, while the sum is 56.

The spelling of 1653270056777 in words is "one trillion, six hundred fifty-three billion, two hundred seventy million, fifty-six thousand, seven hundred seventy-seven".