342525021020009 has 2 divisors, whose sum is σ = 342525021020010. Its totient is φ = 342525021020008.

The previous prime is 342525021019969. The next prime is 342525021020177. The reversal of 342525021020009 is 900020120525243.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 341705280913984 + 819740106025 = 18485272^2 + 905395^2 .

It is an emirp because it is prime and its reverse (900020120525243) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-342525021020009 is a prime.

It is not a weakly prime, because it can be changed into another prime (342525221020009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171262510510004 + 171262510510005.

It is an arithmetic number, because the mean of its divisors is an integer number (171262510510005).

Almost surely, 2^{342525021020009} is an apocalyptic number.

It is an amenable number.

342525021020009 is a deficient number, since it is larger than the sum of its proper divisors (1).

342525021020009 is an equidigital number, since it uses as much as digits as its factorization.

342525021020009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 342525021020009 in words is "three hundred forty-two trillion, five hundred twenty-five billion, twenty-one million, twenty thousand, nine".