612409611 has 8 divisors (see below), whose sum is σ = 890777664. Its totient is φ = 371157320.

The previous prime is 612409583. The next prime is 612409631. The reversal of 612409611 is 116904216.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 612409611 - 2¹⁷ = 612278539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (612409631) 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, 9278901 + ... + 9278966.

It is an arithmetic number, because the mean of its divisors is an integer number (111347208).

Almost surely, 2^612409611 is an apocalyptic number.

612409611 is a deficient number, since it is larger than the sum of its proper divisors (278368053).

612409611 is a wasteful number, since it uses less digits than its factorization.

612409611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18557881.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 612409611 is about 24746.9111405848. The cubic root of 612409611 is about 849.2078483790.

The spelling of 612409611 in words is "six hundred twelve million, four hundred nine thousand, six hundred eleven".