70720288193 has 2 divisors, whose sum is σ = 70720288194. Its totient is φ = 70720288192.

The previous prime is 70720288169. The next prime is 70720288213. The reversal of 70720288193 is 39188202707.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45308102449 + 25412185744 = 212857^2 + 159412^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70720288193 is a prime.

It is not a weakly prime, because it can be changed into another prime (70720288153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35360144096 + 35360144097.

It is an arithmetic number, because the mean of its divisors is an integer number (35360144097).

Almost surely, 2^70720288193 is an apocalyptic number.

It is an amenable number.

70720288193 is a deficient number, since it is larger than the sum of its proper divisors (1).

70720288193 is an equidigital number, since it uses as much as digits as its factorization.

70720288193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 338688, while the sum is 47.

The spelling of 70720288193 in words is "seventy billion, seven hundred twenty million, two hundred eighty-eight thousand, one hundred ninety-three".