632982278609 has 2 divisors, whose sum is σ = 632982278610. Its totient is φ = 632982278608.

The previous prime is 632982278581. The next prime is 632982278639. The reversal of 632982278609 is 906872289236.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 606330083584 + 26652195025 = 778672^2 + 163255^2 .

It is a cyclic number.

It is not a de Polignac number, because 632982278609 - 2⁸ = 632982278353 is a prime.

It is not a weakly prime, because it can be changed into another prime (632982278639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316491139304 + 316491139305.

It is an arithmetic number, because the mean of its divisors is an integer number (316491139305).

Almost surely, 2^632982278609 is an apocalyptic number.

It is an amenable number.

632982278609 is a deficient number, since it is larger than the sum of its proper divisors (1).

632982278609 is an equidigital number, since it uses as much as digits as its factorization.

632982278609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31352832, while the sum is 62.

The spelling of 632982278609 in words is "six hundred thirty-two billion, nine hundred eighty-two million, two hundred seventy-eight thousand, six hundred nine".