1970442347 has 2 divisors, whose sum is σ = 1970442348. Its totient is φ = 1970442346.

The previous prime is 1970442259. The next prime is 1970442371. The reversal of 1970442347 is 7432440791.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1970442347 - 2¹⁰ = 1970441323 is a prime.

It is not a weakly prime, because it can be changed into another prime (1970442847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 985221173 + 985221174.

It is an arithmetic number, because the mean of its divisors is an integer number (985221174).

Almost surely, 2^1970442347 is an apocalyptic number.

1970442347 is a deficient number, since it is larger than the sum of its proper divisors (1).

1970442347 is an equidigital number, since it uses as much as digits as its factorization.

1970442347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 169344, while the sum is 41.

The square root of 1970442347 is about 44389.6648669485. The cubic root of 1970442347 is about 1253.6835021475.

The spelling of 1970442347 in words is "one billion, nine hundred seventy million, four hundred forty-two thousand, three hundred forty-seven".