1913066453 has 2 divisors, whose sum is σ = 1913066454. Its totient is φ = 1913066452.

The previous prime is 1913066417. The next prime is 1913066473. The reversal of 1913066453 is 3546603191.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1150091569 + 762974884 = 33913^2 + 27622^2 .

It is a cyclic number.

It is not a de Polignac number, because 1913066453 - 2¹² = 1913062357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1913066413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 956533226 + 956533227.

It is an arithmetic number, because the mean of its divisors is an integer number (956533227).

Almost surely, 2^1913066453 is an apocalyptic number.

It is an amenable number.

1913066453 is a deficient number, since it is larger than the sum of its proper divisors (1).

1913066453 is an equidigital number, since it uses as much as digits as its factorization.

1913066453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 1913066453 is about 43738.6151243955. The cubic root of 1913066453 is about 1241.3950768025.

The spelling of 1913066453 in words is "one billion, nine hundred thirteen million, sixty-six thousand, four hundred fifty-three".