1042663631 has 2 divisors, whose sum is σ = 1042663632. Its totient is φ = 1042663630.

The previous prime is 1042663621. The next prime is 1042663639. The reversal of 1042663631 is 1363662401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1042663631 - 2¹⁸ = 1042401487 is a prime.

It is a super-2 number, since 2×1042663631² = 2174294894820208322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1042663639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521331815 + 521331816.

It is an arithmetic number, because the mean of its divisors is an integer number (521331816).

Almost surely, 2^1042663631 is an apocalyptic number.

1042663631 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042663631 is an equidigital number, since it uses as much as digits as its factorization.

1042663631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 1042663631 is about 32290.3024296769. The cubic root of 1042663631 is about 1014.0236288612.

The spelling of 1042663631 in words is "one billion, forty-two million, six hundred sixty-three thousand, six hundred thirty-one".