349865497848 has 64 divisors (see below), whose sum is σ = 905224320000. Its totient is φ = 112550643072.

The previous prime is 349865497847. The next prime is 349865497853. The reversal of 349865497848 is 848794568943.

It is a super-2 number, since 2×349865497848² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 349865497848.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349865497841) 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, 1481853 + ... + 1701651.

It is an arithmetic number, because the mean of its divisors is an integer number (14144130000).

Almost surely, 2^349865497848 is an apocalyptic number.

It is an amenable number.

349865497848 is an abundant number, since it is smaller than the sum of its proper divisors (555358822152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

349865497848 is a wasteful number, since it uses less digits than its factorization.

349865497848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222124 (or 222120 counting only the distinct ones).

The product of its digits is 1672151040, while the sum is 75.

The spelling of 349865497848 in words is "three hundred forty-nine billion, eight hundred sixty-five million, four hundred ninety-seven thousand, eight hundred forty-eight".