619199941 has 2 divisors, whose sum is σ = 619199942. Its totient is φ = 619199940.

The previous prime is 619199923. The next prime is 619199953. The reversal of 619199941 is 149991916.

It is a happy number.

619199941 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 488189025 + 131010916 = 22095^2 + 11446^2 .

It is a cyclic number.

It is not a de Polignac number, because 619199941 - 2¹⁷ = 619068869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (619199981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 309599970 + 309599971.

It is an arithmetic number, because the mean of its divisors is an integer number (309599971).

Almost surely, 2^619199941 is an apocalyptic number.

It is an amenable number.

619199941 is a deficient number, since it is larger than the sum of its proper divisors (1).

619199941 is an equidigital number, since it uses as much as digits as its factorization.

619199941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 157464, while the sum is 49.

The square root of 619199941 is about 24883.7284384796. The cubic root of 619199941 is about 852.3349598955.

The spelling of 619199941 in words is "six hundred nineteen million, one hundred ninety-nine thousand, nine hundred forty-one".