1342437049 has 2 divisors, whose sum is σ = 1342437050. Its totient is φ = 1342437048.

The previous prime is 1342437037. The next prime is 1342437073. The reversal of 1342437049 is 9407342431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1274490000 + 67947049 = 35700^2 + 8243^2 .

It is a cyclic number.

It is not a de Polignac number, because 1342437049 - 2¹¹ = 1342435001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1342436999 and 1342437017.

It is not a weakly prime, because it can be changed into another prime (1342437749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671218524 + 671218525.

It is an arithmetic number, because the mean of its divisors is an integer number (671218525).

Almost surely, 2^1342437049 is an apocalyptic number.

It is an amenable number.

1342437049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1342437049 is an equidigital number, since it uses as much as digits as its factorization.

1342437049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 1342437049 is about 36639.2828668903. The cubic root of 1342437049 is about 1103.1417205629.

The spelling of 1342437049 in words is "one billion, three hundred forty-two million, four hundred thirty-seven thousand, forty-nine".