1630250219369 has 2 divisors, whose sum is σ = 1630250219370. Its totient is φ = 1630250219368.

The previous prime is 1630250219347. The next prime is 1630250219371. The reversal of 1630250219369 is 9639120520361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1293633264400 + 336616954969 = 1137380^2 + 580187^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1630250219369 is a prime.

It is a super-2 number, since 2×1630250219369² (a number of 25 digits) contains 22 as substring.

Together with 1630250219371, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1630250219329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 815125109684 + 815125109685.

It is an arithmetic number, because the mean of its divisors is an integer number (815125109685).

Almost surely, 2^{1630250219369} is an apocalyptic number.

It is an amenable number.

1630250219369 is a deficient number, since it is larger than the sum of its proper divisors (1).

1630250219369 is an equidigital number, since it uses as much as digits as its factorization.

1630250219369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 524880, while the sum is 47.

The spelling of 1630250219369 in words is "one trillion, six hundred thirty billion, two hundred fifty million, two hundred nineteen thousand, three hundred sixty-nine".