684601375593 has 32 divisors (see below), whose sum is σ = 975370544640. Its totient is φ = 425845347840.

The previous prime is 684601375583. The next prime is 684601375609. The reversal of 684601375593 is 395573106486.

It is not a de Polignac number, because 684601375593 - 2²⁹ = 684064504681 is a prime.

It is a super-2 number, since 2×684601375593² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (684601375583) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24775321 + ... + 24802937.

It is an arithmetic number, because the mean of its divisors is an integer number (30480329520).

Almost surely, 2^684601375593 is an apocalyptic number.

It is an amenable number.

684601375593 is a deficient number, since it is larger than the sum of its proper divisors (290769169047).

684601375593 is a wasteful number, since it uses less digits than its factorization.

684601375593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34197.

The product of its (nonzero) digits is 16329600, while the sum is 57.

The spelling of 684601375593 in words is "six hundred eighty-four billion, six hundred one million, three hundred seventy-five thousand, five hundred ninety-three".