342400049 has 2 divisors, whose sum is σ = 342400050. Its totient is φ = 342400048.

The previous prime is 342399989. The next prime is 342400067. The reversal of 342400049 is 940004243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 175085824 + 167314225 = 13232^2 + 12935^2 .

It is a cyclic number.

It is not a de Polignac number, because 342400049 - 2¹⁶ = 342334513 is a prime.

It is not a weakly prime, because it can be changed into another prime (342400249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171200024 + 171200025.

It is an arithmetic number, because the mean of its divisors is an integer number (171200025).

Almost surely, 2^342400049 is an apocalyptic number.

It is an amenable number.

342400049 is a deficient number, since it is larger than the sum of its proper divisors (1).

342400049 is an equidigital number, since it uses as much as digits as its factorization.

342400049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 342400049 is about 18504.0549339868. The cubic root of 342400049 is about 699.5916318793.

The spelling of 342400049 in words is "three hundred forty-two million, four hundred thousand, forty-nine".