342849020447 has 2 divisors, whose sum is σ = 342849020448. Its totient is φ = 342849020446.

The previous prime is 342849020443. The next prime is 342849020467. The reversal of 342849020447 is 744020948243.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 342849020447 - 2² = 342849020443 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342849020443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171424510223 + 171424510224.

It is an arithmetic number, because the mean of its divisors is an integer number (171424510224).

Almost surely, 2^342849020447 is an apocalyptic number.

342849020447 is a deficient number, since it is larger than the sum of its proper divisors (1).

342849020447 is an equidigital number, since it uses as much as digits as its factorization.

342849020447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1548288, while the sum is 47.

The spelling of 342849020447 in words is "three hundred forty-two billion, eight hundred forty-nine million, twenty thousand, four hundred forty-seven".