1002672641 has 2 divisors, whose sum is σ = 1002672642. Its totient is φ = 1002672640.

The previous prime is 1002672577. The next prime is 1002672653. The reversal of 1002672641 is 1462762001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1002039025 + 633616 = 31655^2 + 796^2 .

It is a cyclic number.

It is not a de Polignac number, because 1002672641 - 2⁶ = 1002672577 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1002672691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501336320 + 501336321.

It is an arithmetic number, because the mean of its divisors is an integer number (501336321).

Almost surely, 2^1002672641 is an apocalyptic number.

It is an amenable number.

1002672641 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002672641 is an equidigital number, since it uses as much as digits as its factorization.

1002672641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 1002672641 is about 31665.0065687661. The cubic root of 1002672641 is about 1000.8900878419.

The spelling of 1002672641 in words is "one billion, two million, six hundred seventy-two thousand, six hundred forty-one".