70000238549 has 2 divisors, whose sum is σ = 70000238550. Its totient is φ = 70000238548.

The previous prime is 70000238537. The next prime is 70000238573. The reversal of 70000238549 is 94583200007.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62296665649 + 7703572900 = 249593^2 + 87770^2 .

It is an emirp because it is prime and its reverse (94583200007) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70000238549 - 2¹² = 70000234453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70000238509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35000119274 + 35000119275.

It is an arithmetic number, because the mean of its divisors is an integer number (35000119275).

Almost surely, 2^70000238549 is an apocalyptic number.

It is an amenable number.

70000238549 is a deficient number, since it is larger than the sum of its proper divisors (1).

70000238549 is an equidigital number, since it uses as much as digits as its factorization.

70000238549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 38.

The spelling of 70000238549 in words is "seventy billion, two hundred thirty-eight thousand, five hundred forty-nine".