3879018142981 has 2 divisors, whose sum is σ = 3879018142982. Its totient is φ = 3879018142980.

The previous prime is 3879018142949. The next prime is 3879018143023. The reversal of 3879018142981 is 1892418109783.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2242176812100 + 1636841330881 = 1497390^2 + 1279391^2 .

It is a cyclic number.

It is not a de Polignac number, because 3879018142981 - 2⁵ = 3879018142949 is a prime.

It is a super-2 number, since 2×3879018142981² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3879018142081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1939509071490 + 1939509071491.

It is an arithmetic number, because the mean of its divisors is an integer number (1939509071491).

Almost surely, 2^{3879018142981} is an apocalyptic number.

It is an amenable number.

3879018142981 is a deficient number, since it is larger than the sum of its proper divisors (1).

3879018142981 is an equidigital number, since it uses as much as digits as its factorization.

3879018142981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6967296, while the sum is 61.

The spelling of 3879018142981 in words is "three trillion, eight hundred seventy-nine billion, eighteen million, one hundred forty-two thousand, nine hundred eighty-one".