702038149 has 2 divisors, whose sum is σ = 702038150. Its totient is φ = 702038148.

The previous prime is 702038147. The next prime is 702038189. The reversal of 702038149 is 941830207.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 614147524 + 87890625 = 24782^2 + 9375^2 .

It is an emirp because it is prime and its reverse (941830207) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 702038149 - 2¹ = 702038147 is a prime.

Together with 702038147, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (702038143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 351019074 + 351019075.

It is an arithmetic number, because the mean of its divisors is an integer number (351019075).

Almost surely, 2^702038149 is an apocalyptic number.

It is an amenable number.

702038149 is a deficient number, since it is larger than the sum of its proper divisors (1).

702038149 is an equidigital number, since it uses as much as digits as its factorization.

702038149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 702038149 is about 26496.0025098127. The cubic root of 702038149 is about 888.7649194133.

The spelling of 702038149 in words is "seven hundred two million, thirty-eight thousand, one hundred forty-nine".