349954859566 has 12 divisors (see below), whose sum is σ = 568417804992. Its totient is φ = 161517627336.

The previous prime is 349954859557. The next prime is 349954859567. The reversal of 349954859566 is 665958459943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349954859567) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 517684366 + ... + 517685041.

It is an arithmetic number, because the mean of its divisors is an integer number (47368150416).

Almost surely, 2^349954859566 is an apocalyptic number.

349954859566 is a deficient number, since it is larger than the sum of its proper divisors (218462945426).

349954859566 is a wasteful number, since it uses less digits than its factorization.

349954859566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035369435 (or 1035369422 counting only the distinct ones).

The product of its digits is 1259712000, while the sum is 73.

The spelling of 349954859566 in words is "three hundred forty-nine billion, nine hundred fifty-four million, eight hundred fifty-nine thousand, five hundred sixty-six".