349512487065 has 48 divisors (see below), whose sum is σ = 707098848768. Its totient is φ = 156377616768.

The previous prime is 349512486991. The next prime is 349512487099. The reversal of 349512487065 is 560784215943.

It is a happy number.

349512487065 is a `hidden beast` number, since 3 + 4 + 95 + 12 + 487 + 0 + 65 = 666.

It is not a de Polignac number, because 349512487065 - 2⁷ = 349512486937 is a prime.

It is a super-2 number, since 2×349512487065² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11789062 + ... + 11818671.

It is an arithmetic number, because the mean of its divisors is an integer number (14731226016).

It is a 1-persistent number, because it is pandigital, but 2⋅349512487065 = 699024974130 is not.

Almost surely, 2^349512487065 is an apocalyptic number.

349512487065 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

349512487065 is an abundant number, since it is smaller than the sum of its proper divisors (357586361703).

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

349512487065 is a wasteful number, since it uses less digits than its factorization.

349512487065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23607798 (or 23607795 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 54.

The spelling of 349512487065 in words is "three hundred forty-nine billion, five hundred twelve million, four hundred eighty-seven thousand, sixty-five".