1342969217 has 2 divisors, whose sum is σ = 1342969218. Its totient is φ = 1342969216.

The previous prime is 1342969193. The next prime is 1342969237. The reversal of 1342969217 is 7129692431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1027587136 + 315382081 = 32056^2 + 17759^2 .

It is a cyclic number.

It is not a de Polignac number, because 1342969217 - 2¹⁴ = 1342952833 is a prime.

It is not a weakly prime, because it can be changed into another prime (1342969237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671484608 + 671484609.

It is an arithmetic number, because the mean of its divisors is an integer number (671484609).

Almost surely, 2^1342969217 is an apocalyptic number.

It is an amenable number.

1342969217 is a deficient number, since it is larger than the sum of its proper divisors (1).

1342969217 is an equidigital number, since it uses as much as digits as its factorization.

1342969217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 163296, while the sum is 44.

The square root of 1342969217 is about 36646.5444073517. The cubic root of 1342969217 is about 1103.2874702071.

The spelling of 1342969217 in words is "one billion, three hundred forty-two million, nine hundred sixty-nine thousand, two hundred seventeen".