3498207765138 has 48 divisors (see below), whose sum is σ = 7583966470080. Its totient is φ = 1165374679968.

The previous prime is 3498207765083. The next prime is 3498207765139. The reversal of 3498207765138 is 8315677028943.

3498207765138 is a `hidden beast` number, since 3 + 4 + 98 + 20 + 7 + 7 + 6 + 513 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (3498207765139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 298552456 + ... + 298564172.

It is an arithmetic number, because the mean of its divisors is an integer number (157999301460).

It is a 1-persistent number, because it is pandigital, but 2⋅3498207765138 = 6996415530276 is not.

Almost surely, 2^{3498207765138} is an apocalyptic number.

3498207765138 is an abundant number, since it is smaller than the sum of its proper divisors (4085758704942).

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

3498207765138 is a wasteful number, since it uses less digits than its factorization.

3498207765138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20191 (or 20188 counting only the distinct ones).

The product of its (nonzero) digits is 60963840, while the sum is 63.

The spelling of 3498207765138 in words is "three trillion, four hundred ninety-eight billion, two hundred seven million, seven hundred sixty-five thousand, one hundred thirty-eight".