6850302030581 has 2 divisors, whose sum is σ = 6850302030582. Its totient is φ = 6850302030580.

The previous prime is 6850302030557. The next prime is 6850302030599. The reversal of 6850302030581 is 1850302030586.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5243596212100 + 1606705818481 = 2289890^2 + 1267559^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6850302030581 is a prime.

It is a super-2 number, since 2×6850302030581² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6850302030511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3425151015290 + 3425151015291.

It is an arithmetic number, because the mean of its divisors is an integer number (3425151015291).

Almost surely, 2^{6850302030581} is an apocalyptic number.

It is an amenable number.

6850302030581 is a deficient number, since it is larger than the sum of its proper divisors (1).

6850302030581 is an equidigital number, since it uses as much as digits as its factorization.

6850302030581 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 172800, while the sum is 41.

The spelling of 6850302030581 in words is "six trillion, eight hundred fifty billion, three hundred two million, thirty thousand, five hundred eighty-one".