26351401403 has 2 divisors, whose sum is σ = 26351401404. Its totient is φ = 26351401402.

The previous prime is 26351401399. The next prime is 26351401451. The reversal of 26351401403 is 30410415362.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26351401403 - 2² = 26351401399 is a prime.

It is not a weakly prime, because it can be changed into another prime (26351407403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13175700701 + 13175700702.

It is an arithmetic number, because the mean of its divisors is an integer number (13175700702).

Almost surely, 2^26351401403 is an apocalyptic number.

26351401403 is a deficient number, since it is larger than the sum of its proper divisors (1).

26351401403 is an equidigital number, since it uses as much as digits as its factorization.

26351401403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 26351401403 its reverse (30410415362), we get a palindrome (56761816765).

The spelling of 26351401403 in words is "twenty-six billion, three hundred fifty-one million, four hundred one thousand, four hundred three".