612103689 has 8 divisors (see below), whose sum is σ = 906820320. Its totient is φ = 408069108.

The previous prime is 612103673. The next prime is 612103697. The reversal of 612103689 is 986301216.

612103689 is a `hidden beast` number, since 612 + 1 + 0 + 36 + 8 + 9 = 666.

It is not a de Polignac number, because 612103689 - 2⁴ = 612103673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (612103619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11335227 + ... + 11335280.

It is an arithmetic number, because the mean of its divisors is an integer number (113352540).

Almost surely, 2^612103689 is an apocalyptic number.

It is an amenable number.

612103689 is a deficient number, since it is larger than the sum of its proper divisors (294716631).

612103689 is a wasteful number, since it uses less digits than its factorization.

612103689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22670516 (or 22670510 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 612103689 is about 24740.7293546492. The cubic root of 612103689 is about 849.0664209044.

The spelling of 612103689 in words is "six hundred twelve million, one hundred three thousand, six hundred eighty-nine".