70387269613 has 2 divisors, whose sum is σ = 70387269614. Its totient is φ = 70387269612.

The previous prime is 70387269611. The next prime is 70387269649. The reversal of 70387269613 is 31696278307.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66461871204 + 3925398409 = 257802^2 + 62653^2 .

It is a cyclic number.

It is not a de Polignac number, because 70387269613 - 2¹ = 70387269611 is a prime.

Together with 70387269611, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70387269611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35193634806 + 35193634807.

It is an arithmetic number, because the mean of its divisors is an integer number (35193634807).

Almost surely, 2^70387269613 is an apocalyptic number.

It is an amenable number.

70387269613 is a deficient number, since it is larger than the sum of its proper divisors (1).

70387269613 is an equidigital number, since it uses as much as digits as its factorization.

70387269613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2286144, while the sum is 52.

The spelling of 70387269613 in words is "seventy billion, three hundred eighty-seven million, two hundred sixty-nine thousand, six hundred thirteen".