611402104189 has 2 divisors, whose sum is σ = 611402104190. Its totient is φ = 611402104188.

The previous prime is 611402104153. The next prime is 611402104259. The reversal of 611402104189 is 981401204116.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 459568747225 + 151833356964 = 677915^2 + 389658^2 .

It is a cyclic number.

It is not a de Polignac number, because 611402104189 - 2²⁷ = 611267886461 is a prime.

It is a super-2 number, since 2×611402104189² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (611402104889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305701052094 + 305701052095.

It is an arithmetic number, because the mean of its divisors is an integer number (305701052095).

Almost surely, 2^611402104189 is an apocalyptic number.

It is an amenable number.

611402104189 is a deficient number, since it is larger than the sum of its proper divisors (1).

611402104189 is an equidigital number, since it uses as much as digits as its factorization.

611402104189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 37.

The spelling of 611402104189 in words is "six hundred eleven billion, four hundred two million, one hundred four thousand, one hundred eighty-nine".