102438930907 has 2 divisors, whose sum is σ = 102438930908. Its totient is φ = 102438930906.

The previous prime is 102438930817. The next prime is 102438930911. The reversal of 102438930907 is 709039834201.

It is a strong prime.

It is an emirp because it is prime and its reverse (709039834201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102438930907 - 2¹¹ = 102438928859 is a prime.

It is not a weakly prime, because it can be changed into another prime (102438930947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51219465453 + 51219465454.

It is an arithmetic number, because the mean of its divisors is an integer number (51219465454).

Almost surely, 2^102438930907 is an apocalyptic number.

102438930907 is a deficient number, since it is larger than the sum of its proper divisors (1).

102438930907 is an equidigital number, since it uses as much as digits as its factorization.

102438930907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 326592, while the sum is 46.

The spelling of 102438930907 in words is "one hundred two billion, four hundred thirty-eight million, nine hundred thirty thousand, nine hundred seven".