3981219688011 has 8 divisors (see below), whose sum is σ = 5308878922560. Its totient is φ = 2653853456072.

The previous prime is 3981219687911. The next prime is 3981219688057. The reversal of 3981219688011 is 1108869121893.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3981219688011 - 2²⁹ = 3980682817099 is a prime.

It is a super-2 number, since 2×3981219688011² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3981209688011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73218945 + ... + 73273298.

It is an arithmetic number, because the mean of its divisors is an integer number (663609865320).

Almost surely, 2^{3981219688011} is an apocalyptic number.

3981219688011 is a deficient number, since it is larger than the sum of its proper divisors (1327659234549).

3981219688011 is a wasteful number, since it uses less digits than its factorization.

3981219688011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146501305.

The product of its (nonzero) digits is 1492992, while the sum is 57.

The spelling of 3981219688011 in words is "three trillion, nine hundred eighty-one billion, two hundred nineteen million, six hundred eighty-eight thousand, eleven".