619042628 has 12 divisors (see below), whose sum is σ = 1098165180. Its totient is φ = 305281152.

The previous prime is 619042609. The next prime is 619042637. The reversal of 619042628 is 826240916.

619042628 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 189392644 + 429649984 = 13762^2 + 20728^2 .

It is a super-2 number, since 2×619042628² = 766427550562292768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 619042591 and 619042600.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1059713 + ... + 1060296.

It is an arithmetic number, because the mean of its divisors is an integer number (91513765).

Almost surely, 2^619042628 is an apocalyptic number.

It is an amenable number.

619042628 is a deficient number, since it is larger than the sum of its proper divisors (479122552).

619042628 is a wasteful number, since it uses less digits than its factorization.

619042628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2120086 (or 2120084 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 619042628 is about 24880.5672764911. The cubic root of 619042628 is about 852.2627728052.

The spelling of 619042628 in words is "six hundred nineteen million, forty-two thousand, six hundred twenty-eight".