70744514249 has 2 divisors, whose sum is σ = 70744514250. Its totient is φ = 70744514248.

The previous prime is 70744514179. The next prime is 70744514251. The reversal of 70744514249 is 94241544707.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51333058624 + 19411455625 = 226568^2 + 139325^2 .

It is an emirp because it is prime and its reverse (94241544707) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70744514249 - 2¹² = 70744510153 is a prime.

Together with 70744514251, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (70744514549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35372257124 + 35372257125.

It is an arithmetic number, because the mean of its divisors is an integer number (35372257125).

Almost surely, 2^70744514249 is an apocalyptic number.

It is an amenable number.

70744514249 is a deficient number, since it is larger than the sum of its proper divisors (1).

70744514249 is an equidigital number, since it uses as much as digits as its factorization.

70744514249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1128960, while the sum is 47.

The spelling of 70744514249 in words is "seventy billion, seven hundred forty-four million, five hundred fourteen thousand, two hundred forty-nine".