220676630453 has 2 divisors, whose sum is σ = 220676630454. Its totient is φ = 220676630452.

The previous prime is 220676630441. The next prime is 220676630467. The reversal of 220676630453 is 354036676022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 188670347044 + 32006283409 = 434362^2 + 178903^2 .

It is a cyclic number.

It is not a de Polignac number, because 220676630453 - 2¹⁸ = 220676368309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220676635453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110338315226 + 110338315227.

It is an arithmetic number, because the mean of its divisors is an integer number (110338315227).

Almost surely, 2^220676630453 is an apocalyptic number.

It is an amenable number.

220676630453 is a deficient number, since it is larger than the sum of its proper divisors (1).

220676630453 is an equidigital number, since it uses as much as digits as its factorization.

220676630453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1088640, while the sum is 44.

The spelling of 220676630453 in words is "two hundred twenty billion, six hundred seventy-six million, six hundred thirty thousand, four hundred fifty-three".