70065943061 has 2 divisors, whose sum is σ = 70065943062. Its totient is φ = 70065943060.

The previous prime is 70065943049. The next prime is 70065943147. The reversal of 70065943061 is 16034956007.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66090640561 + 3975302500 = 257081^2 + 63050^2 .

It is a cyclic number.

It is not a de Polignac number, because 70065943061 - 2¹⁸ = 70065680917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70065946061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35032971530 + 35032971531.

It is an arithmetic number, because the mean of its divisors is an integer number (35032971531).

Almost surely, 2^70065943061 is an apocalyptic number.

It is an amenable number.

70065943061 is a deficient number, since it is larger than the sum of its proper divisors (1).

70065943061 is an equidigital number, since it uses as much as digits as its factorization.

70065943061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 41.

The spelling of 70065943061 in words is "seventy billion, sixty-five million, nine hundred forty-three thousand, sixty-one".