26430169229407 has 2 divisors, whose sum is σ = 26430169229408. Its totient is φ = 26430169229406.

The previous prime is 26430169229381. The next prime is 26430169229539. The reversal of 26430169229407 is 70492296103462.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26430169229407 is a prime.

It is a super-3 number, since 3×26430169229407³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26430169269407) 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, 13215084614703 + 13215084614704.

It is an arithmetic number, because the mean of its divisors is an integer number (13215084614704).

Almost surely, 2^{26430169229407} is an apocalyptic number.

26430169229407 is a deficient number, since it is larger than the sum of its proper divisors (1).

26430169229407 is an equidigital number, since it uses as much as digits as its factorization.

26430169229407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7838208, while the sum is 55.

The spelling of 26430169229407 in words is "twenty-six trillion, four hundred thirty billion, one hundred sixty-nine million, two hundred twenty-nine thousand, four hundred seven".