342435050621 has 4 divisors (see below), whose sum is σ = 345576656700. Its totient is φ = 339293444544.

The previous prime is 342435050591. The next prime is 342435050677. The reversal of 342435050621 is 126050534243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 126050534243 = 163 ⋅773316161.

It can be written as a sum of positive squares in 2 ways, for example, as 157998300100 + 184436750521 = 397490^2 + 429461^2 .

It is a cyclic number.

It is not a de Polignac number, because 342435050621 - 2³⁰ = 341361308797 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342435050021) 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 3 ways as a sum of consecutive naturals, for example, 1570802876 + ... + 1570803093.

It is an arithmetic number, because the mean of its divisors is an integer number (86394164175).

Almost surely, 2^342435050621 is an apocalyptic number.

It is an amenable number.

342435050621 is a deficient number, since it is larger than the sum of its proper divisors (3141606079).

342435050621 is a wasteful number, since it uses less digits than its factorization.

342435050621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3141606078.

The product of its (nonzero) digits is 86400, while the sum is 35.

Adding to 342435050621 its reverse (126050534243), we get a palindrome (468485584864).

The spelling of 342435050621 in words is "three hundred forty-two billion, four hundred thirty-five million, fifty thousand, six hundred twenty-one".