103213624609 has 2 divisors, whose sum is σ = 103213624610. Its totient is φ = 103213624608.

The previous prime is 103213624607. The next prime is 103213624669. The reversal of 103213624609 is 906426312301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99688590225 + 3525034384 = 315735^2 + 59372^2 .

It is a cyclic number.

It is not a de Polignac number, because 103213624609 - 2¹ = 103213624607 is a prime.

Together with 103213624607, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (103213624607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51606812304 + 51606812305.

It is an arithmetic number, because the mean of its divisors is an integer number (51606812305).

Almost surely, 2^103213624609 is an apocalyptic number.

It is an amenable number.

103213624609 is a deficient number, since it is larger than the sum of its proper divisors (1).

103213624609 is an equidigital number, since it uses as much as digits as its factorization.

103213624609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 37.

The spelling of 103213624609 in words is "one hundred three billion, two hundred thirteen million, six hundred twenty-four thousand, six hundred nine".