609459734919 has 32 divisors (see below), whose sum is σ = 959088328704. Its totient is φ = 336877359840.

The previous prime is 609459734861. The next prime is 609459734921. The reversal of 609459734919 is 919437954906.

It is not a de Polignac number, because 609459734919 - 2⁷ = 609459734791 is a prime.

It is a super-2 number, since 2×609459734919² (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 609459734919.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (609459734929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1251502 + ... + 1668884.

It is an arithmetic number, because the mean of its divisors is an integer number (29971510272).

Almost surely, 2^609459734919 is an apocalyptic number.

609459734919 is a deficient number, since it is larger than the sum of its proper divisors (349628593785).

609459734919 is a wasteful number, since it uses less digits than its factorization.

609459734919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419667.

The product of its (nonzero) digits is 66134880, while the sum is 66.

The spelling of 609459734919 in words is "six hundred nine billion, four hundred fifty-nine million, seven hundred thirty-four thousand, nine hundred nineteen".