6901201881 has 48 divisors (see below), whose sum is σ = 11672534016. Its totient is φ = 3846836448.

The previous prime is 6901201873. The next prime is 6901201897. The reversal of 6901201881 is 1881021096.

It is not a de Polignac number, because 6901201881 - 2³ = 6901201873 is a prime.

It is a super-2 number, since 2×6901201881² = 95253174804635876322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6901201861) 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 47 ways as a sum of consecutive naturals, for example, 3312066 + ... + 3314148.

It is an arithmetic number, because the mean of its divisors is an integer number (243177792).

Almost surely, 2^6901201881 is an apocalyptic number.

It is an amenable number.

6901201881 is a deficient number, since it is larger than the sum of its proper divisors (4771332135).

6901201881 is a wasteful number, since it uses less digits than its factorization.

6901201881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3362 (or 3359 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 36.

The square root of 6901201881 is about 83073.4727876474. The cubic root of 6901201881 is about 1903.8887924987. Note that the first 3 decimals are identical.

The spelling of 6901201881 in words is "six billion, nine hundred one million, two hundred one thousand, eight hundred eighty-one".