609639139003 has 4 divisors (see below), whose sum is σ = 609640700968. Its totient is φ = 609637577040.

The previous prime is 609639138973. The next prime is 609639139073. The reversal of 609639139003 is 300931936906.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 609639139003 - 2¹³ = 609639130811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (609639139073) 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, 364783 + ... + 1162903.

It is an arithmetic number, because the mean of its divisors is an integer number (152410175242).

Almost surely, 2^609639139003 is an apocalyptic number.

609639139003 is a deficient number, since it is larger than the sum of its proper divisors (1561965).

609639139003 is an equidigital number, since it uses as much as digits as its factorization.

609639139003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1561964.

The product of its (nonzero) digits is 708588, while the sum is 49.

The spelling of 609639139003 in words is "six hundred nine billion, six hundred thirty-nine million, one hundred thirty-nine thousand, three".