1004664631 has 2 divisors, whose sum is σ = 1004664632. Its totient is φ = 1004664630.

The previous prime is 1004664629. The next prime is 1004664637. The reversal of 1004664631 is 1364664001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1004664631 - 2¹ = 1004664629 is a prime.

It is a super-2 number, since 2×1004664631² = 2018702041564732322, which contains 22 as substring.

Together with 1004664629, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1004664593 and 1004664602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1004664637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502332315 + 502332316.

It is an arithmetic number, because the mean of its divisors is an integer number (502332316).

Almost surely, 2^1004664631 is an apocalyptic number.

1004664631 is a deficient number, since it is larger than the sum of its proper divisors (1).

1004664631 is an equidigital number, since it uses as much as digits as its factorization.

1004664631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 1004664631 is about 31696.4450845832. The cubic root of 1004664631 is about 1001.5524656033.

The spelling of 1004664631 in words is "one billion, four million, six hundred sixty-four thousand, six hundred thirty-one".