671609735097 has 8 divisors (see below), whose sum is σ = 1023405310656. Its totient is φ = 383776991472.

The previous prime is 671609735089. The next prime is 671609735201. The reversal of 671609735097 is 790537906176.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 671609735097 - 2³ = 671609735089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 671609735097.

It is not an unprimeable number, because it can be changed into a prime (671609735297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15990707958 + ... + 15990707999.

It is an arithmetic number, because the mean of its divisors is an integer number (127925663832).

Almost surely, 2^671609735097 is an apocalyptic number.

It is an amenable number.

671609735097 is a deficient number, since it is larger than the sum of its proper divisors (351795575559).

671609735097 is a wasteful number, since it uses less digits than its factorization.

671609735097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31981415967.

The product of its (nonzero) digits is 15002820, while the sum is 60.

The spelling of 671609735097 in words is "six hundred seventy-one billion, six hundred nine million, seven hundred thirty-five thousand, ninety-seven".