1630271434457 has 2 divisors, whose sum is σ = 1630271434458. Its totient is φ = 1630271434456.

The previous prime is 1630271434447. The next prime is 1630271434487. The reversal of 1630271434457 is 7544341720361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1575838344976 + 54433089481 = 1255324^2 + 233309^2 .

It is a cyclic number.

It is not a de Polignac number, because 1630271434457 - 2²² = 1630267240153 is a prime.

It is not a weakly prime, because it can be changed into another prime (1630271434447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 815135717228 + 815135717229.

It is an arithmetic number, because the mean of its divisors is an integer number (815135717229).

Almost surely, 2^{1630271434457} is an apocalyptic number.

It is an amenable number.

1630271434457 is a deficient number, since it is larger than the sum of its proper divisors (1).

1630271434457 is an equidigital number, since it uses as much as digits as its factorization.

1630271434457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1693440, while the sum is 47.

The spelling of 1630271434457 in words is "one trillion, six hundred thirty billion, two hundred seventy-one million, four hundred thirty-four thousand, four hundred fifty-seven".