70965556243 has 2 divisors, whose sum is σ = 70965556244. Its totient is φ = 70965556242.

The previous prime is 70965556229. The next prime is 70965556261. The reversal of 70965556243 is 34265556907.

It is a weak prime.

It is an emirp because it is prime and its reverse (34265556907) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70965556243 - 2¹⁷ = 70965425171 is a prime.

It is a super-2 number, since 2×70965556243² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (70965554243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35482778121 + 35482778122.

It is an arithmetic number, because the mean of its divisors is an integer number (35482778122).

Almost surely, 2^70965556243 is an apocalyptic number.

70965556243 is a deficient number, since it is larger than the sum of its proper divisors (1).

70965556243 is an equidigital number, since it uses as much as digits as its factorization.

70965556243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804000, while the sum is 52.

The spelling of 70965556243 in words is "seventy billion, nine hundred sixty-five million, five hundred fifty-six thousand, two hundred forty-three".