70616654249 has 2 divisors, whose sum is σ = 70616654250. Its totient is φ = 70616654248.

The previous prime is 70616654243. The next prime is 70616654279. The reversal of 70616654249 is 94245661607.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70314068224 + 302586025 = 265168^2 + 17395^2 .

It is a cyclic number.

It is not a de Polignac number, because 70616654249 - 2⁴ = 70616654233 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 70616654197 and 70616654206.

It is not a weakly prime, because it can be changed into another prime (70616654243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35308327124 + 35308327125.

It is an arithmetic number, because the mean of its divisors is an integer number (35308327125).

Almost surely, 2^70616654249 is an apocalyptic number.

It is an amenable number.

70616654249 is a deficient number, since it is larger than the sum of its proper divisors (1).

70616654249 is an equidigital number, since it uses as much as digits as its factorization.

70616654249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2177280, while the sum is 50.

The spelling of 70616654249 in words is "seventy billion, six hundred sixteen million, six hundred fifty-four thousand, two hundred forty-nine".