608420989439 has 8 divisors (see below), whose sum is σ = 647809403760. Its totient is φ = 569432457856.

The previous prime is 608420989417. The next prime is 608420989447. The reversal of 608420989439 is 934989024806.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-608420989439 is a prime.

It is a super-2 number, since 2×608420989439² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (608420989459) 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, 99967544 + ... + 99973629.

It is an arithmetic number, because the mean of its divisors is an integer number (80976175470).

Almost surely, 2^608420989439 is an apocalyptic number.

608420989439 is a deficient number, since it is larger than the sum of its proper divisors (39388414321).

608420989439 is a wasteful number, since it uses less digits than its factorization.

608420989439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199941369.

The product of its (nonzero) digits is 26873856, while the sum is 62.

The spelling of 608420989439 in words is "six hundred eight billion, four hundred twenty million, nine hundred eighty-nine thousand, four hundred thirty-nine".