613763538 has 16 divisors (see below), whose sum is σ = 1229777760. Its totient is φ = 204212736.

The previous prime is 613763519. The next prime is 613763543. The reversal of 613763538 is 835367316.

It is a self number, because there is not a number n which added to its sum of digits gives 613763538.

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 7 ways as a sum of consecutive naturals, for example, 90223 + ... + 96786.

It is an arithmetic number, because the mean of its divisors is an integer number (76861110).

Almost surely, 2^613763538 is an apocalyptic number.

613763538 is an abundant number, since it is smaller than the sum of its proper divisors (616014222).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

613763538 is a wasteful number, since it uses less digits than its factorization.

613763538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187561.

The product of its digits is 272160, while the sum is 42.

The square root of 613763538 is about 24774.2515124070. The cubic root of 613763538 is about 849.8332027960.

The spelling of 613763538 in words is "six hundred thirteen million, seven hundred sixty-three thousand, five hundred thirty-eight".