610421240679 has 4 divisors (see below), whose sum is σ = 813894987576. Its totient is φ = 406947493784.

The previous prime is 610421240659. The next prime is 610421240687. The reversal of 610421240679 is 976042124016.

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 610421240679 - 2⁸ = 610421240423 is a prime.

It is a super-2 number, since 2×610421240679² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 610421240679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (610421240609) 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, 101736873444 + ... + 101736873449.

It is an arithmetic number, because the mean of its divisors is an integer number (203473746894).

Almost surely, 2^610421240679 is an apocalyptic number.

610421240679 is a deficient number, since it is larger than the sum of its proper divisors (203473746897).

610421240679 is a wasteful number, since it uses less digits than its factorization.

610421240679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203473746896.

The product of its (nonzero) digits is 145152, while the sum is 42.

The spelling of 610421240679 in words is "six hundred ten billion, four hundred twenty-one million, two hundred forty thousand, six hundred seventy-nine".