342095142421 has 2 divisors, whose sum is σ = 342095142422. Its totient is φ = 342095142420.

The previous prime is 342095142377. The next prime is 342095142439. The reversal of 342095142421 is 124241590243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 342095142321 + 100 = 584889^2 + 10^2 .

It is a cyclic number.

It is not a de Polignac number, because 342095142421 - 2¹⁹ = 342094618133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342095142451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171047571210 + 171047571211.

It is an arithmetic number, because the mean of its divisors is an integer number (171047571211).

Almost surely, 2^342095142421 is an apocalyptic number.

It is an amenable number.

342095142421 is a deficient number, since it is larger than the sum of its proper divisors (1).

342095142421 is an equidigital number, since it uses as much as digits as its factorization.

342095142421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 342095142421 in words is "three hundred forty-two billion, ninety-five million, one hundred forty-two thousand, four hundred twenty-one".