10002000132991 has 2 divisors, whose sum is σ = 10002000132992. Its totient is φ = 10002000132990.

The previous prime is 10002000132967. The next prime is 10002000133039. The reversal of 10002000132991 is 19923100020001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10002000132991 - 2²¹ = 10001998035839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10002000132491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5001000066495 + 5001000066496.

It is an arithmetic number, because the mean of its divisors is an integer number (5001000066496).

Almost surely, 2^{10002000132991} is an apocalyptic number.

10002000132991 is a deficient number, since it is larger than the sum of its proper divisors (1).

10002000132991 is an equidigital number, since it uses as much as digits as its factorization.

10002000132991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 28.

Adding to 10002000132991 its reverse (19923100020001), we get a palindrome (29925100152992).

The spelling of 10002000132991 in words is "ten trillion, two billion, one hundred thirty-two thousand, nine hundred ninety-one".