610890011 has 4 divisors (see below), whose sum is σ = 612282000. Its totient is φ = 609498024.

The previous prime is 610889977. The next prime is 610890029. The reversal of 610890011 is 110098016.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 610890011 - 2¹⁰ = 610888987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (610890041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 695336 + ... + 696213.

It is an arithmetic number, because the mean of its divisors is an integer number (153070500).

Almost surely, 2^610890011 is an apocalyptic number.

610890011 is a deficient number, since it is larger than the sum of its proper divisors (1391989).

610890011 is a wasteful number, since it uses less digits than its factorization.

610890011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1391988.

The product of its (nonzero) digits is 432, while the sum is 26.

The square root of 610890011 is about 24716.1892491541. The cubic root of 610890011 is about 848.5048738485.

The spelling of 610890011 in words is "six hundred ten million, eight hundred ninety thousand, eleven".