6948693181 has 2 divisors, whose sum is σ = 6948693182. Its totient is φ = 6948693180.

The previous prime is 6948693179. The next prime is 6948693197. The reversal of 6948693181 is 1813968496.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6833667556 + 115025625 = 82666^2 + 10725^2 .

It is a cyclic number.

It is not a de Polignac number, because 6948693181 - 2¹ = 6948693179 is a prime.

It is a super-2 number, since 2×6948693181² = 96568673847351797522, which contains 22 as substring.

Together with 6948693179, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6948693131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3474346590 + 3474346591.

It is an arithmetic number, because the mean of its divisors is an integer number (3474346591).

Almost surely, 2^6948693181 is an apocalyptic number.

It is an amenable number.

6948693181 is a deficient number, since it is larger than the sum of its proper divisors (1).

6948693181 is an equidigital number, since it uses as much as digits as its factorization.

6948693181 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2239488, while the sum is 55.

The square root of 6948693181 is about 83358.8218546783. The cubic root of 6948693181 is about 1908.2460787388.

The spelling of 6948693181 in words is "six billion, nine hundred forty-eight million, six hundred ninety-three thousand, one hundred eighty-one".