26430169229393 has 4 divisors (see below), whose sum is σ = 26430511148340. Its totient is φ = 26429827310448.

The previous prime is 26430169229381. The next prime is 26430169229407. The reversal of 26430169229393 is 39392296103462.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8988921411409 + 17441247817984 = 2998153^2 + 4176272^2 .

It is a cyclic number.

It is not a de Polignac number, because 26430169229393 - 2⁸ = 26430169229137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26430169229993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170843498 + ... + 170998131.

It is an arithmetic number, because the mean of its divisors is an integer number (6607627787085).

Almost surely, 2^{26430169229393} is an apocalyptic number.

It is an amenable number.

26430169229393 is a deficient number, since it is larger than the sum of its proper divisors (341918947).

26430169229393 is an equidigital number, since it uses as much as digits as its factorization.

26430169229393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341918946.

The product of its (nonzero) digits is 22674816, while the sum is 59.

The spelling of 26430169229393 in words is "twenty-six trillion, four hundred thirty billion, one hundred sixty-nine million, two hundred twenty-nine thousand, three hundred ninety-three".