219427617053 has 2 divisors, whose sum is σ = 219427617054. Its totient is φ = 219427617052.

The previous prime is 219427616983. The next prime is 219427617061. The reversal of 219427617053 is 350716724912.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 182395618084 + 37031998969 = 427078^2 + 192437^2 .

It is a cyclic number.

It is not a de Polignac number, because 219427617053 - 2¹⁶ = 219427551517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 219427616989 and 219427617007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (219427617553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109713808526 + 109713808527.

It is an arithmetic number, because the mean of its divisors is an integer number (109713808527).

Almost surely, 2^219427617053 is an apocalyptic number.

It is an amenable number.

219427617053 is a deficient number, since it is larger than the sum of its proper divisors (1).

219427617053 is an equidigital number, since it uses as much as digits as its factorization.

219427617053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 635040, while the sum is 47.

The spelling of 219427617053 in words is "two hundred nineteen billion, four hundred twenty-seven million, six hundred seventeen thousand, fifty-three".