70053131909 has 2 divisors, whose sum is σ = 70053131910. Its totient is φ = 70053131908.

The previous prime is 70053131903. The next prime is 70053131933. The reversal of 70053131909 is 90913135007.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64915396225 + 5137735684 = 254785^2 + 71678^2 .

It is a cyclic number.

It is not a de Polignac number, because 70053131909 - 2²⁸ = 69784696453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70053131903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35026565954 + 35026565955.

It is an arithmetic number, because the mean of its divisors is an integer number (35026565955).

Almost surely, 2^70053131909 is an apocalyptic number.

It is an amenable number.

70053131909 is a deficient number, since it is larger than the sum of its proper divisors (1).

70053131909 is an equidigital number, since it uses as much as digits as its factorization.

70053131909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25515, while the sum is 38.

The spelling of 70053131909 in words is "seventy billion, fifty-three million, one hundred thirty-one thousand, nine hundred nine".