1002630825987 has 32 divisors (see below), whose sum is σ = 1609412421120. Its totient is φ = 542378488320.

The previous prime is 1002630825983. The next prime is 1002630825991. The reversal of 1002630825987 is 7895280362001.

It is an interprime number because it is at equal distance from previous prime (1002630825983) and next prime (1002630825991).

It is not a de Polignac number, because 1002630825987 - 2² = 1002630825983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1002630825983) 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 in 31 ways as a sum of consecutive naturals, for example, 380128 + ... + 1466205.

It is an arithmetic number, because the mean of its divisors is an integer number (50294138160).

Almost surely, 2^{1002630825987} is an apocalyptic number.

1002630825987 is a deficient number, since it is larger than the sum of its proper divisors (606781595133).

1002630825987 is a wasteful number, since it uses less digits than its factorization.

1002630825987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1847723.

The product of its (nonzero) digits is 1451520, while the sum is 51.

The spelling of 1002630825987 in words is "one trillion, two billion, six hundred thirty million, eight hundred twenty-five thousand, nine hundred eighty-seven".