70213036577 has 2 divisors, whose sum is σ = 70213036578. Its totient is φ = 70213036576.

The previous prime is 70213036573. The next prime is 70213036603. The reversal of 70213036577 is 77563031207.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54887586961 + 15325449616 = 234281^2 + 123796^2 .

It is a cyclic number.

It is not a de Polignac number, because 70213036577 - 2² = 70213036573 is a prime.

It is not a weakly prime, because it can be changed into another prime (70213036573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35106518288 + 35106518289.

It is an arithmetic number, because the mean of its divisors is an integer number (35106518289).

Almost surely, 2^70213036577 is an apocalyptic number.

It is an amenable number.

70213036577 is a deficient number, since it is larger than the sum of its proper divisors (1).

70213036577 is an equidigital number, since it uses as much as digits as its factorization.

70213036577 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 185220, while the sum is 41.

The spelling of 70213036577 in words is "seventy billion, two hundred thirteen million, thirty-six thousand, five hundred seventy-seven".