70433407409 has 2 divisors, whose sum is σ = 70433407410. Its totient is φ = 70433407408.

The previous prime is 70433407397. The next prime is 70433407463. The reversal of 70433407409 is 90470433407.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66823801009 + 3609606400 = 258503^2 + 60080^2 .

It is an emirp because it is prime and its reverse (90470433407) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70433407409 is a prime.

It is not a weakly prime, because it can be changed into another prime (70433400409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35216703704 + 35216703705.

It is an arithmetic number, because the mean of its divisors is an integer number (35216703705).

Almost surely, 2^70433407409 is an apocalyptic number.

It is an amenable number.

70433407409 is a deficient number, since it is larger than the sum of its proper divisors (1).

70433407409 is an equidigital number, since it uses as much as digits as its factorization.

70433407409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 254016, while the sum is 41.

The spelling of 70433407409 in words is "seventy billion, four hundred thirty-three million, four hundred seven thousand, four hundred nine".