12624779803 has 2 divisors, whose sum is σ = 12624779804. Its totient is φ = 12624779802.

The previous prime is 12624779801. The next prime is 12624779813. The reversal of 12624779803 is 30897742621.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (30897742621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12624779803 - 2¹ = 12624779801 is a prime.

Together with 12624779801, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12624779801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6312389901 + 6312389902.

It is an arithmetic number, because the mean of its divisors is an integer number (6312389902).

Almost surely, 2^12624779803 is an apocalyptic number.

12624779803 is a deficient number, since it is larger than the sum of its proper divisors (1).

12624779803 is an equidigital number, since it uses as much as digits as its factorization.

12624779803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1016064, while the sum is 49.

The spelling of 12624779803 in words is "twelve billion, six hundred twenty-four million, seven hundred seventy-nine thousand, eight hundred three".