347704645646 has 4 divisors (see below), whose sum is σ = 521556968472. Its totient is φ = 173852322822.

The previous prime is 347704645579. The next prime is 347704645681. The reversal of 347704645646 is 646546407743.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 646546407743 = 71 ⋅9106287433.

It is a junction number, because it is equal to n+sod(n) for n = 347704645591 and 347704645600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86926161410 + ... + 86926161413.

It is an arithmetic number, because the mean of its divisors is an integer number (130389242118).

Almost surely, 2^347704645646 is an apocalyptic number.

347704645646 is a deficient number, since it is larger than the sum of its proper divisors (173852322826).

347704645646 is a wasteful number, since it uses less digits than its factorization.

347704645646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173852322825.

The product of its (nonzero) digits is 40642560, while the sum is 56.

The spelling of 347704645646 in words is "three hundred forty-seven billion, seven hundred four million, six hundred forty-five thousand, six hundred forty-six".