26190000803 has 2 divisors, whose sum is σ = 26190000804. Its totient is φ = 26190000802.

The previous prime is 26190000799. The next prime is 26190000829. The reversal of 26190000803 is 30800009162.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26190000803 - 2² = 26190000799 is a prime.

It is a super-2 number, since 2×26190000803² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (26190000503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13095000401 + 13095000402.

It is an arithmetic number, because the mean of its divisors is an integer number (13095000402).

Almost surely, 2^26190000803 is an apocalyptic number.

26190000803 is a deficient number, since it is larger than the sum of its proper divisors (1).

26190000803 is an equidigital number, since it uses as much as digits as its factorization.

26190000803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 29.

Adding to 26190000803 its reverse (30800009162), we get a palindrome (56990009965).

The spelling of 26190000803 in words is "twenty-six billion, one hundred ninety million, eight hundred three", and thus it is an aban number.