619068394 has 16 divisors (see below), whose sum is σ = 1097856000. Its totient is φ = 256166064.

The previous prime is 619068341. The next prime is 619068449. The reversal of 619068394 is 493860916.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 761994 + ... + 762805.

It is an arithmetic number, because the mean of its divisors is an integer number (68616000).

Almost surely, 2^619068394 is an apocalyptic number.

619068394 is a deficient number, since it is larger than the sum of its proper divisors (478787606).

619068394 is a wasteful number, since it uses less digits than its factorization.

619068394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1524837.

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 619068394 is about 24881.0850647636. The cubic root of 619068394 is about 852.2745970302.

It can be divided in two parts, 6 and 19068394, that added together give a triangular number (19068400 = T₆₁₇₅).

The spelling of 619068394 in words is "six hundred nineteen million, sixty-eight thousand, three hundred ninety-four".