2662981001 has 2 divisors, whose sum is σ = 2662981002. Its totient is φ = 2662981000.

The previous prime is 2662980979. The next prime is 2662981033. The reversal of 2662981001 is 1001892662.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2526067600 + 136913401 = 50260^2 + 11701^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2662981001 is a prime.

It is a super-3 number, since 3×2662981001³ (a number of 29 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (2662987001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1331490500 + 1331490501.

It is an arithmetic number, because the mean of its divisors is an integer number (1331490501).

Almost surely, 2^2662981001 is an apocalyptic number.

It is an amenable number.

2662981001 is a deficient number, since it is larger than the sum of its proper divisors (1).

2662981001 is an equidigital number, since it uses as much as digits as its factorization.

2662981001 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 35.

The square root of 2662981001 is about 51604.0793058068. The cubic root of 2662981001 is about 1386.0833796795.

The spelling of 2662981001 in words is "two billion, six hundred sixty-two million, nine hundred eighty-one thousand, one".