611672838899 has 2 divisors, whose sum is σ = 611672838900. Its totient is φ = 611672838898.

The previous prime is 611672838883. The next prime is 611672838937. The reversal of 611672838899 is 998838276116.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 611672838899 - 2⁴ = 611672838883 is a prime.

It is not a weakly prime, because it can be changed into another prime (611675838899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305836419449 + 305836419450.

It is an arithmetic number, because the mean of its divisors is an integer number (305836419450).

Almost surely, 2^611672838899 is an apocalyptic number.

611672838899 is a deficient number, since it is larger than the sum of its proper divisors (1).

611672838899 is an equidigital number, since it uses as much as digits as its factorization.

611672838899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62705664, while the sum is 68.

The spelling of 611672838899 in words is "six hundred eleven billion, six hundred seventy-two million, eight hundred thirty-eight thousand, eight hundred ninety-nine".