3481869958891 has 2 divisors, whose sum is σ = 3481869958892. Its totient is φ = 3481869958890.

The previous prime is 3481869958873. The next prime is 3481869958933. The reversal of 3481869958891 is 1988599681843.

It is a weak prime.

It is an emirp because it is prime and its reverse (1988599681843) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3481869958891 - 2¹⁷ = 3481869827819 is a prime.

It is a super-2 number, since 2×3481869958891² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3481869958291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1740934979445 + 1740934979446.

It is an arithmetic number, because the mean of its divisors is an integer number (1740934979446).

Almost surely, 2^{3481869958891} is an apocalyptic number.

3481869958891 is a deficient number, since it is larger than the sum of its proper divisors (1).

3481869958891 is an equidigital number, since it uses as much as digits as its factorization.

3481869958891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1074954240, while the sum is 79.

The spelling of 3481869958891 in words is "three trillion, four hundred eighty-one billion, eight hundred sixty-nine million, nine hundred fifty-eight thousand, eight hundred ninety-one".