103970603509 has 2 divisors, whose sum is σ = 103970603510. Its totient is φ = 103970603508.

The previous prime is 103970603497. The next prime is 103970603623. The reversal of 103970603509 is 905306079301.

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., 61579911409 + 42390692100 = 248153^2 + 205890^2 .

It is a cyclic number.

It is not a de Polignac number, because 103970603509 - 2⁹ = 103970602997 is a prime.

It is a super-2 number, since 2×103970603509² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103970603309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51985301754 + 51985301755.

It is an arithmetic number, because the mean of its divisors is an integer number (51985301755).

Almost surely, 2^103970603509 is an apocalyptic number.

It is an amenable number.

103970603509 is a deficient number, since it is larger than the sum of its proper divisors (1).

103970603509 is an equidigital number, since it uses as much as digits as its factorization.

103970603509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 153090, while the sum is 43.

The spelling of 103970603509 in words is "one hundred three billion, nine hundred seventy million, six hundred three thousand, five hundred nine".