631828032461 has 2 divisors, whose sum is σ = 631828032462. Its totient is φ = 631828032460.

The previous prime is 631828032427. The next prime is 631828032491. The reversal of 631828032461 is 164230828136.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 565475424361 + 66352608100 = 751981^2 + 257590^2 .

It is a cyclic number.

It is not a de Polignac number, because 631828032461 - 2¹⁰ = 631828031437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (631828032491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315914016230 + 315914016231.

It is an arithmetic number, because the mean of its divisors is an integer number (315914016231).

Almost surely, 2^631828032461 is an apocalyptic number.

It is an amenable number.

631828032461 is a deficient number, since it is larger than the sum of its proper divisors (1).

631828032461 is an equidigital number, since it uses as much as digits as its factorization.

631828032461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 331776, while the sum is 44.

The spelling of 631828032461 in words is "six hundred thirty-one billion, eight hundred twenty-eight million, thirty-two thousand, four hundred sixty-one".