611389673 has 8 divisors (see below), whose sum is σ = 629020128. Its totient is φ = 594009504.

The previous prime is 611389661. The next prime is 611389679. The reversal of 611389673 is 376983116.

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 611389673 - 2¹⁰ = 611388649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (611389679) 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, 57611 + ... + 67392.

It is an arithmetic number, because the mean of its divisors is an integer number (78627516).

Almost surely, 2^611389673 is an apocalyptic number.

It is an amenable number.

611389673 is a deficient number, since it is larger than the sum of its proper divisors (17630455).

611389673 is a wasteful number, since it uses less digits than its factorization.

611389673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125143.

The product of its digits is 163296, while the sum is 44.

The square root of 611389673 is about 24726.2951733575. The cubic root of 611389673 is about 848.7361484896.

The spelling of 611389673 in words is "six hundred eleven million, three hundred eighty-nine thousand, six hundred seventy-three".