3467243231981 has 2 divisors, whose sum is σ = 3467243231982. Its totient is φ = 3467243231980.

The previous prime is 3467243231971. The next prime is 3467243232031. The reversal of 3467243231981 is 1891323427643.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3369831204100 + 97412027881 = 1835710^2 + 312109^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3467243231981 is a prime.

It is a super-2 number, since 2×3467243231981² (a number of 26 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3467243231971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1733621615990 + 1733621615991.

It is an arithmetic number, because the mean of its divisors is an integer number (1733621615991).

Almost surely, 2^{3467243231981} is an apocalyptic number.

It is an amenable number.

3467243231981 is a deficient number, since it is larger than the sum of its proper divisors (1).

3467243231981 is an equidigital number, since it uses as much as digits as its factorization.

3467243231981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5225472, while the sum is 53.

The spelling of 3467243231981 in words is "three trillion, four hundred sixty-seven billion, two hundred forty-three million, two hundred thirty-one thousand, nine hundred eighty-one".