348745969613 has 4 divisors (see below), whose sum is σ = 349197129468. Its totient is φ = 348294809760.

The previous prime is 348745969609. The next prime is 348745969631. The reversal of 348745969613 is 316969547843.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 38160450409 + 310585519204 = 195347^2 + 557302^2 .

It is a cyclic number.

It is not a de Polignac number, because 348745969613 - 2² = 348745969609 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 348745969613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (348745969673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225578768 + ... + 225580313.

It is an arithmetic number, because the mean of its divisors is an integer number (87299282367).

Almost surely, 2^348745969613 is an apocalyptic number.

It is an amenable number.

348745969613 is a deficient number, since it is larger than the sum of its proper divisors (451159855).

348745969613 is an equidigital number, since it uses as much as digits as its factorization.

348745969613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451159854.

The product of its digits is 117573120, while the sum is 65.

The spelling of 348745969613 in words is "three hundred forty-eight billion, seven hundred forty-five million, nine hundred sixty-nine thousand, six hundred thirteen".