7833404681 has 2 divisors, whose sum is σ = 7833404682. Its totient is φ = 7833404680.

The previous prime is 7833404641. The next prime is 7833404693. The reversal of 7833404681 is 1864043387.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7824994681 + 8410000 = 88459^2 + 2900^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7833404681 is a prime.

It is a super-2 number, since 2×7833404681² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7833404641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3916702340 + 3916702341.

It is an arithmetic number, because the mean of its divisors is an integer number (3916702341).

Almost surely, 2^7833404681 is an apocalyptic number.

It is an amenable number.

7833404681 is a deficient number, since it is larger than the sum of its proper divisors (1).

7833404681 is an equidigital number, since it uses as much as digits as its factorization.

7833404681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 387072, while the sum is 44.

The square root of 7833404681 is about 88506.5233810480. The cubic root of 7833404681 is about 1986.0195580815.

The spelling of 7833404681 in words is "seven billion, eight hundred thirty-three million, four hundred four thousand, six hundred eighty-one".