609761912 has 8 divisors (see below), whose sum is σ = 1143303600. Its totient is φ = 304880952.

The previous prime is 609761897. The next prime is 609761939. The reversal of 609761912 is 219167906.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 609761912.

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 as a sum of consecutive naturals, namely, 38110112 + ... + 38110127.

It is an arithmetic number, because the mean of its divisors is an integer number (142912950).

Almost surely, 2^609761912 is an apocalyptic number.

It is an amenable number.

609761912 is a deficient number, since it is larger than the sum of its proper divisors (533541688).

609761912 is a wasteful number, since it uses less digits than its factorization.

609761912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76220245 (or 76220241 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 41.

The square root of 609761912 is about 24693.3576493761. The cubic root of 609761912 is about 847.9822553247.

The spelling of 609761912 in words is "six hundred nine million, seven hundred sixty-one thousand, nine hundred twelve".