70361366909 has 2 divisors, whose sum is σ = 70361366910. Its totient is φ = 70361366908.

The previous prime is 70361366837. The next prime is 70361366917. The reversal of 70361366909 is 90966316307.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55811700025 + 14549666884 = 236245^2 + 120622^2 .

It is a cyclic number.

It is not a de Polignac number, because 70361366909 - 2⁸ = 70361366653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70361366939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35180683454 + 35180683455.

It is an arithmetic number, because the mean of its divisors is an integer number (35180683455).

Almost surely, 2^70361366909 is an apocalyptic number.

It is an amenable number.

70361366909 is a deficient number, since it is larger than the sum of its proper divisors (1).

70361366909 is an equidigital number, since it uses as much as digits as its factorization.

70361366909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1102248, while the sum is 50.

The spelling of 70361366909 in words is "seventy billion, three hundred sixty-one million, three hundred sixty-six thousand, nine hundred nine".