609631373897 has 16 divisors (see below), whose sum is σ = 757744415232. Its totient is φ = 477569995200.

The previous prime is 609631373863. The next prime is 609631373927. The reversal of 609631373897 is 798373136906.

It is a cyclic number.

It is not a de Polignac number, because 609631373897 - 2⁸ = 609631373641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (609631373837) 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 15 ways as a sum of consecutive naturals, for example, 33155393 + ... + 33173774.

It is an arithmetic number, because the mean of its divisors is an integer number (47359025952).

Almost surely, 2^609631373897 is an apocalyptic number.

It is an amenable number.

609631373897 is a deficient number, since it is larger than the sum of its proper divisors (148113041335).

609631373897 is a wasteful number, since it uses less digits than its factorization.

609631373897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66329288.

The product of its (nonzero) digits is 30862944, while the sum is 62.

The spelling of 609631373897 in words is "six hundred nine billion, six hundred thirty-one million, three hundred seventy-three thousand, eight hundred ninety-seven".