1970734399 has 2 divisors, whose sum is σ = 1970734400. Its totient is φ = 1970734398.

The previous prime is 1970734379. The next prime is 1970734421. The reversal of 1970734399 is 9934370791.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1970734399 - 2²⁵ = 1937179967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1970734309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 985367199 + 985367200.

It is an arithmetic number, because the mean of its divisors is an integer number (985367200).

Almost surely, 2^1970734399 is an apocalyptic number.

1970734399 is a deficient number, since it is larger than the sum of its proper divisors (1).

1970734399 is an equidigital number, since it uses as much as digits as its factorization.

1970734399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1285956, while the sum is 52.

The square root of 1970734399 is about 44392.9543846769. The cubic root of 1970734399 is about 1253.7454379334.

The spelling of 1970734399 in words is "one billion, nine hundred seventy million, seven hundred thirty-four thousand, three hundred ninety-nine".