2981863001 has 4 divisors (see below), whose sum is σ = 3211237092. Its totient is φ = 2752488912.

The previous prime is 2981862973. The next prime is 2981863007. The reversal of 2981863001 is 1003681892.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 377291776 + 2604571225 = 19424^2 + 51035^2 .

It is a cyclic number.

It is not a de Polignac number, because 2981863001 - 2¹⁰ = 2981861977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2981863007) 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 in 3 ways as a sum of consecutive naturals, for example, 114687026 + ... + 114687051.

It is an arithmetic number, because the mean of its divisors is an integer number (802809273).

Almost surely, 2^2981863001 is an apocalyptic number.

It is an amenable number.

2981863001 is a deficient number, since it is larger than the sum of its proper divisors (229374091).

2981863001 is a wasteful number, since it uses less digits than its factorization.

2981863001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229374090.

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 2981863001 is about 54606.4373586119. The cubic root of 2981863001 is about 1439.3372401827.

The spelling of 2981863001 in words is "two billion, nine hundred eighty-one million, eight hundred sixty-three thousand, one".