349804862173 has 16 divisors (see below), whose sum is σ = 393123265920. Its totient is φ = 308833043904.

The previous prime is 349804862107. The next prime is 349804862191. The reversal of 349804862173 is 371268408943.

It is a de Polignac number, because none of the positive numbers 2^k-349804862173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349804062173) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4389598 + ... + 4468576.

It is an arithmetic number, because the mean of its divisors is an integer number (24570204120).

Almost surely, 2^349804862173 is an apocalyptic number.

It is an amenable number.

349804862173 is a deficient number, since it is larger than the sum of its proper divisors (43318403747).

349804862173 is a wasteful number, since it uses less digits than its factorization.

349804862173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93828.

The product of its (nonzero) digits is 6967296, while the sum is 55.

The spelling of 349804862173 in words is "three hundred forty-nine billion, eight hundred four million, eight hundred sixty-two thousand, one hundred seventy-three".