629242299842 has 30 divisors (see below), whose sum is σ = 1022824155663. Its totient is φ = 290332020888.

The previous prime is 629242299841. The next prime is 629242299883. The reversal of 629242299842 is 248992242926.

It can be written as a sum of positive squares in 3 ways, for example, as 11015761 + 629231284081 = 3319^2 + 793241^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=560911.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (629242299841) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 189586259 + ... + 189589577.

Almost surely, 2^629242299842 is an apocalyptic number.

629242299842 is a deficient number, since it is larger than the sum of its proper divisors (393581855821).

629242299842 is an frugal number, since it uses more digits than its factorization.

629242299842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6692 (or 3334 counting only the distinct ones).

The product of its digits is 17915904, while the sum is 59.

The spelling of 629242299842 in words is "six hundred twenty-nine billion, two hundred forty-two million, two hundred ninety-nine thousand, eight hundred forty-two".