342142993 has 2 divisors, whose sum is σ = 342142994. Its totient is φ = 342142992.

The previous prime is 342142987. The next prime is 342143023. The reversal of 342142993 is 399241243.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 321413184 + 20729809 = 17928^2 + 4553^2 .

It is a cyclic number.

It is not a de Polignac number, because 342142993 - 2¹³ = 342134801 is a prime.

It is not a weakly prime, because it can be changed into another prime (342142903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171071496 + 171071497.

It is an arithmetic number, because the mean of its divisors is an integer number (171071497).

Almost surely, 2^342142993 is an apocalyptic number.

It is an amenable number.

342142993 is a deficient number, since it is larger than the sum of its proper divisors (1).

342142993 is an equidigital number, since it uses as much as digits as its factorization.

342142993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 37.

The square root of 342142993 is about 18497.1076928259. The cubic root of 342142993 is about 699.4165158134.

The spelling of 342142993 in words is "three hundred forty-two million, one hundred forty-two thousand, nine hundred ninety-three".