2027981625099 has 4 divisors (see below), whose sum is σ = 2703975500136. Its totient is φ = 1351987750064.

The previous prime is 2027981625077. The next prime is 2027981625149. The reversal of 2027981625099 is 9905261897202.

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

It is a cyclic number.

It is not a de Polignac number, because 2027981625099 - 2¹⁷ = 2027981494027 is a prime.

It is a super-2 number, since 2×2027981625099² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2027981625799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 337996937514 + ... + 337996937519.

It is an arithmetic number, because the mean of its divisors is an integer number (675993875034).

Almost surely, 2^{2027981625099} is an apocalyptic number.

2027981625099 is a deficient number, since it is larger than the sum of its proper divisors (675993875037).

2027981625099 is an equidigital number, since it uses as much as digits as its factorization.

2027981625099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675993875036.

The product of its (nonzero) digits is 9797760, while the sum is 60.

The spelling of 2027981625099 in words is "two trillion, twenty-seven billion, nine hundred eighty-one million, six hundred twenty-five thousand, ninety-nine".