6983374381 has 2 divisors, whose sum is σ = 6983374382. Its totient is φ = 6983374380.

The previous prime is 6983374357. The next prime is 6983374417. The reversal of 6983374381 is 1834733896.

6983374381 = 59090² + 59091².

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., 3491746281 + 3491628100 = 59091^2 + 59090^2 .

It is a cyclic number.

It is not a de Polignac number, because 6983374381 - 2¹³ = 6983366189 is a prime.

It is a super-2 number, since 2×6983374381² = 97535035490414266322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6983374301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3491687190 + 3491687191.

It is an arithmetic number, because the mean of its divisors is an integer number (3491687191).

Almost surely, 2^6983374381 is an apocalyptic number.

6983374381 is the 59091-st centered square number.

It is an amenable number.

6983374381 is a deficient number, since it is larger than the sum of its proper divisors (1).

6983374381 is an equidigital number, since it uses as much as digits as its factorization.

6983374381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2612736, while the sum is 52.

The square root of 6983374381 is about 83566.5865103990. The cubic root of 6983374381 is about 1911.4155219565.

The spelling of 6983374381 in words is "six billion, nine hundred eighty-three million, three hundred seventy-four thousand, three hundred eighty-one".