619508942 has 16 divisors (see below), whose sum is σ = 1002123360. Its totient is φ = 285533472.

The previous prime is 619508899. The next prime is 619508957. The reversal of 619508942 is 249805916.

It is a junction number, because it is equal to n+sod(n) for n = 619508893 and 619508902.

It is a congruent number.

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, 3284 + ... + 35352.

It is an arithmetic number, because the mean of its divisors is an integer number (62632710).

Almost surely, 2^619508942 is an apocalyptic number.

619508942 is a deficient number, since it is larger than the sum of its proper divisors (382614418).

619508942 is a wasteful number, since it uses less digits than its factorization.

619508942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32827.

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 619508942 is about 24889.9365607870. The cubic root of 619508942 is about 852.4767173146.

The spelling of 619508942 in words is "six hundred nineteen million, five hundred eight thousand, nine hundred forty-two".