349861495391 has 8 divisors (see below), whose sum is σ = 352429203504. Its totient is φ = 347293990080.

The previous prime is 349861495387. The next prime is 349861495393. The reversal of 349861495391 is 193594168943.

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

It is a cyclic number.

It is not a de Polignac number, because 349861495391 - 2² = 349861495387 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 (349861495393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6479381 + ... + 6533153.

It is an arithmetic number, because the mean of its divisors is an integer number (44053650438).

Almost surely, 2^349861495391 is an apocalyptic number.

349861495391 is a deficient number, since it is larger than the sum of its proper divisors (2567708113).

349861495391 is a wasteful number, since it uses less digits than its factorization.

349861495391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101401.

The product of its digits is 25194240, while the sum is 62.

The spelling of 349861495391 in words is "three hundred forty-nine billion, eight hundred sixty-one million, four hundred ninety-five thousand, three hundred ninety-one".