613689950 has 48 divisors (see below), whose sum is σ = 1183317120. Its totient is φ = 236544000.

The previous prime is 613689907. The next prime is 613689961. The reversal of 613689950 is 59986316.

It is a junction number, because it is equal to n+sod(n) for n = 613689895 and 613689904.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 434846 + ... + 436254.

It is an arithmetic number, because the mean of its divisors is an integer number (24652440).

Almost surely, 2^613689950 is an apocalyptic number.

613689950 is a deficient number, since it is larger than the sum of its proper divisors (569627170).

613689950 is a wasteful number, since it uses less digits than its factorization.

613689950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1733 (or 1728 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 47.

The square root of 613689950 is about 24772.7662968834. The cubic root of 613689950 is about 849.7992374758.

The spelling of 613689950 in words is "six hundred thirteen million, six hundred eighty-nine thousand, nine hundred fifty".