609252374019 has 12 divisors (see below), whose sum is σ = 849191086856. Its totient is φ = 388508759232.

The previous prime is 609252374009. The next prime is 609252374033. The reversal of 609252374019 is 910473252906.

It is not a de Polignac number, because 609252374019 - 2¹¹ = 609252371971 is a prime.

It is a super-2 number, since 2×609252374019² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (609252374009) 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 11 ways as a sum of consecutive naturals, for example, 191949382 + ... + 191952555.

Almost surely, 2^609252374019 is an apocalyptic number.

609252374019 is a gapful number since it is divisible by the number (69) formed by its first and last digit.

609252374019 is a deficient number, since it is larger than the sum of its proper divisors (239938712837).

609252374019 is a wasteful number, since it uses less digits than its factorization.

609252374019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383901986 (or 383901963 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 48.

The spelling of 609252374019 in words is "six hundred nine billion, two hundred fifty-two million, three hundred seventy-four thousand, nineteen".