1013398697 has 2 divisors, whose sum is σ = 1013398698. Its totient is φ = 1013398696.

The previous prime is 1013398693. The next prime is 1013398717. The reversal of 1013398697 is 7968933101.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 973190416 + 40208281 = 31196^2 + 6341^2 .

It is a cyclic number.

It is not a de Polignac number, because 1013398697 - 2² = 1013398693 is a prime.

It is not a weakly prime, because it can be changed into another prime (1013398693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506699348 + 506699349.

It is an arithmetic number, because the mean of its divisors is an integer number (506699349).

Almost surely, 2^1013398697 is an apocalyptic number.

It is an amenable number.

1013398697 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013398697 is an equidigital number, since it uses as much as digits as its factorization.

1013398697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 244944, while the sum is 47.

The square root of 1013398697 is about 31833.9236821351. The cubic root of 1013398697 is about 1004.4464322703.

The spelling of 1013398697 in words is "one billion, thirteen million, three hundred ninety-eight thousand, six hundred ninety-seven".