349485670491811 has 64 divisors (see below), whose sum is σ = 434061298298880. Its totient is φ = 275080437596160.

The previous prime is 349485670491761. The next prime is 349485670491829. The reversal of 349485670491811 is 118194076584943.

It is not a de Polignac number, because 349485670491811 - 2³³ = 349477080557219 is a prime.

It is a super-2 number, since 2×349485670491811² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (349485670491011) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 44688675 + ... + 51923491.

It is an arithmetic number, because the mean of its divisors is an integer number (6782207785920).

Almost surely, 2^{349485670491811} is an apocalyptic number.

349485670491811 is a deficient number, since it is larger than the sum of its proper divisors (84575627807069).

349485670491811 is a wasteful number, since it uses less digits than its factorization.

349485670491811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7235044.

The product of its (nonzero) digits is 209018880, while the sum is 70.

The spelling of 349485670491811 in words is "three hundred forty-nine trillion, four hundred eighty-five billion, six hundred seventy million, four hundred ninety-one thousand, eight hundred eleven".