609419184855 has 16 divisors (see below), whose sum is σ = 1050076134240. Its totient is φ = 300021752448.

The previous prime is 609419184853. The next prime is 609419184859. The reversal of 609419184855 is 558481914906.

It is not a de Polignac number, because 609419184855 - 2¹ = 609419184853 is a prime.

It is a super-2 number, since 2×609419184855² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (609419184853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1562613100 + ... + 1562613489.

It is an arithmetic number, because the mean of its divisors is an integer number (65629758390).

Almost surely, 2^609419184855 is an apocalyptic number.

609419184855 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

609419184855 is a deficient number, since it is larger than the sum of its proper divisors (440656949385).

609419184855 is a wasteful number, since it uses less digits than its factorization.

609419184855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3125226610.

The product of its (nonzero) digits is 12441600, while the sum is 60.

The spelling of 609419184855 in words is "six hundred nine billion, four hundred nineteen million, one hundred eighty-four thousand, eight hundred fifty-five".