70504998409 has 2 divisors, whose sum is σ = 70504998410. Its totient is φ = 70504998408.

The previous prime is 70504998379. The next prime is 70504998413. The reversal of 70504998409 is 90489940507.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62150490000 + 8354508409 = 249300^2 + 91403^2 .

It is an emirp because it is prime and its reverse (90489940507) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70504998409 - 2⁷ = 70504998281 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70504998409.

It is not a weakly prime, because it can be changed into another prime (70504998419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35252499204 + 35252499205.

It is an arithmetic number, because the mean of its divisors is an integer number (35252499205).

Almost surely, 2^70504998409 is an apocalyptic number.

It is an amenable number.

70504998409 is a deficient number, since it is larger than the sum of its proper divisors (1).

70504998409 is an equidigital number, since it uses as much as digits as its factorization.

70504998409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3265920, while the sum is 55.

The spelling of 70504998409 in words is "seventy billion, five hundred four million, nine hundred ninety-eight thousand, four hundred nine".