348996528649 has 4 divisors (see below), whose sum is σ = 350238509460. Its totient is φ = 347754547840.

The previous prime is 348996528641. The next prime is 348996528689. The reversal of 348996528649 is 946825699843.

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 240997537225 + 107998991424 = 490915^2 + 328632^2 .

It is a cyclic number.

It is not a de Polignac number, because 348996528649 - 2³ = 348996528641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (348996528641) 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, 620989984 + ... + 620990545.

It is an arithmetic number, because the mean of its divisors is an integer number (87559627365).

Almost surely, 2^348996528649 is an apocalyptic number.

It is an amenable number.

348996528649 is a deficient number, since it is larger than the sum of its proper divisors (1241980811).

348996528649 is a wasteful number, since it uses less digits than its factorization.

348996528649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1241980810.

The product of its digits is 806215680, while the sum is 73.

The spelling of 348996528649 in words is "three hundred forty-eight billion, nine hundred ninety-six million, five hundred twenty-eight thousand, six hundred forty-nine".