611348839 has 2 divisors, whose sum is σ = 611348840. Its totient is φ = 611348838.

The previous prime is 611348753. The next prime is 611348851. The reversal of 611348839 is 938843116.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 611348839 - 2¹³ = 611340647 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 611348795 and 611348804.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (611448839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305674419 + 305674420.

It is an arithmetic number, because the mean of its divisors is an integer number (305674420).

Almost surely, 2^611348839 is an apocalyptic number.

611348839 is a deficient number, since it is larger than the sum of its proper divisors (1).

611348839 is an equidigital number, since it uses as much as digits as its factorization.

611348839 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 43.

The square root of 611348839 is about 24725.4694394262. The cubic root of 611348839 is about 848.7172527045.

The spelling of 611348839 in words is "six hundred eleven million, three hundred forty-eight thousand, eight hundred thirty-nine".