6701887419881 has 2 divisors, whose sum is σ = 6701887419882. Its totient is φ = 6701887419880.

The previous prime is 6701887419847. The next prime is 6701887419989. The reversal of 6701887419881 is 1889147881076.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6666207610000 + 35679809881 = 2581900^2 + 188891^2 .

It is a cyclic number.

It is not a de Polignac number, because 6701887419881 - 2¹⁰ = 6701887418857 is a prime.

It is a super-2 number, since 2×6701887419881² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6701887416881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3350943709940 + 3350943709941.

It is an arithmetic number, because the mean of its divisors is an integer number (3350943709941).

Almost surely, 2^{6701887419881} is an apocalyptic number.

It is an amenable number.

6701887419881 is a deficient number, since it is larger than the sum of its proper divisors (1).

6701887419881 is an equidigital number, since it uses as much as digits as its factorization.

6701887419881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43352064, while the sum is 68.

The spelling of 6701887419881 in words is "six trillion, seven hundred one billion, eight hundred eighty-seven million, four hundred nineteen thousand, eight hundred eighty-one".