613869650 has 12 divisors (see below), whose sum is σ = 1141797642. Its totient is φ = 245547840.

The previous prime is 613869649. The next prime is 613869667. The reversal of 613869650 is 56968316.

It can be written as a sum of positive squares in 3 ways, for example, as 259564321 + 354305329 = 16111^2 + 18823^2 .

It is a super-2 number, since 2×613869650² = 753671894382245000, which contains 22 as substring.

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 5 ways as a sum of consecutive naturals, for example, 6138647 + ... + 6138746.

Almost surely, 2^613869650 is an apocalyptic number.

613869650 is a deficient number, since it is larger than the sum of its proper divisors (527927992).

613869650 is a wasteful number, since it uses less digits than its factorization.

613869650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12277405 (or 12277400 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 613869650 is about 24776.3929981747. The cubic root of 613869650 is about 849.8821751330.

The spelling of 613869650 in words is "six hundred thirteen million, eight hundred sixty-nine thousand, six hundred fifty".