348621379690 has 8 divisors (see below), whose sum is σ = 627518483460. Its totient is φ = 139448551872.

The previous prime is 348621379679. The next prime is 348621379727. The reversal of 348621379690 is 96973126843.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 347242668529 + 1378711161 = 589273^2 + 37131^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×348621379690² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17431068975 + ... + 17431068994.

Almost surely, 2^348621379690 is an apocalyptic number.

348621379690 is a deficient number, since it is larger than the sum of its proper divisors (278897103770).

348621379690 is a wasteful number, since it uses less digits than its factorization.

348621379690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34862137976.

The product of its (nonzero) digits is 11757312, while the sum is 58.

The spelling of 348621379690 in words is "three hundred forty-eight billion, six hundred twenty-one million, three hundred seventy-nine thousand, six hundred ninety".