70309825601 has 2 divisors, whose sum is σ = 70309825602. Its totient is φ = 70309825600.

The previous prime is 70309825567. The next prime is 70309825627. The reversal of 70309825601 is 10652890307.

It is a Cunningham number, because it is equal to 265160²+1.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70309825600 + 1 = 265160^2 + 1^2 .

It is an emirp because it is prime and its reverse (10652890307) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70309825601 - 2³⁴ = 53129956417 is a prime.

It is a super-2 number, since 2×70309825601² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (70309825631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35154912800 + 35154912801.

It is an arithmetic number, because the mean of its divisors is an integer number (35154912801).

Almost surely, 2^70309825601 is an apocalyptic number.

It is an amenable number.

70309825601 is a deficient number, since it is larger than the sum of its proper divisors (1).

70309825601 is an equidigital number, since it uses as much as digits as its factorization.

70309825601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 41.

The spelling of 70309825601 in words is "seventy billion, three hundred nine million, eight hundred twenty-five thousand, six hundred one".